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      contextRef="AsOf2021-12-31_custom_SeriesACumulativePreferredStockMember"
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      contextRef="AsOf2020-12-31_custom_SeriesACumulativePreferredStockMember"
      decimals="INF"
      id="Fact000066"
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      contextRef="AsOf2025-06-30_custom_SeriesBCumulativePreferredStockMember"
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      contextRef="AsOf2024-12-31_custom_SeriesBCumulativePreferredStockMember"
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      contextRef="AsOf2022-12-31_custom_SeriesBCumulativePreferredStockMember"
      decimals="-3"
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      contextRef="AsOf2021-12-31_custom_SeriesBCumulativePreferredStockMember"
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    <cef:CapitalStockTableTextBlock contextRef="From2025-01-01to2025-06-30" id="Fact000118">&lt;p id="xdx_80B_ecef--CapitalStockTableTextBlock_z82RvKkCSHag" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;&lt;b&gt;7.&#160;Capital. &lt;/b&gt;The Fund is authorized to issue an unlimited number of common shares of beneficial interest (par value $0.001). The Board has authorized the repurchase of its shares on the open market when the shares are trading at a discount of 10% or more (or such other percentage as the Board may determine from time to time) from the NAV of the shares. During the six months ended June&#160;30, 2025 and the year ended December&#160;31, 2024, the Fund did not repurchase and retire any common shares in the open market.&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;On May&#160;12, 2022, the Fund distributed one transferable right for each of the 5,377,458 common shares outstanding on that date. Four rights were required to purchase one additional common share at the subscription price of $16 per share. On June&#160;30, 2022, the Fund issued 591,453 common shares receiving net proceeds of $9,148,248 after the deduction of offering expenses of $315,000. The NAV of the Fund decreased by $0.15 per share on the day the additional shares were issued due to the shares being issued below NAV.&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;For the six months ended June&#160;30, 2025 and the year ended December&#160;31, 2024, transactions in common stock were as follows:&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="padding-bottom: 1pt; vertical-align: bottom; font-size: 10pt; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; padding-bottom: 1pt; text-align: center; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Six Months Ended&lt;br/&gt; June&#160;30,&lt;br/&gt; 2025&lt;br/&gt; (Unaudited)&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; padding-bottom: 1pt; text-align: center; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; text-align: center; font-size: 10pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; vertical-align: bottom; font-size: 10pt; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&lt;b&gt;Year Ended&lt;/b&gt;&lt;br/&gt; &lt;b&gt;December&#160;31,&lt;br/&gt; 2024&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; text-align: center; font-size: 10pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="vertical-align: bottom; font-size: 10pt; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Shares&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Amount&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Shares&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Amount&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-indent: -0.125in; padding-left: 0.125in; width: 52%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Net increase in net assets from common shares issued upon reinvestment of distributions&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 9%; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;9,380&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 9%; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;150,813&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 9%; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;6,238&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 9%; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;97,816&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_848_ecef--PreferredStockRestrictionsOtherTextBlock_hcef--RiskAxis__custom--CumulativePreferredStocksMember_zUUw8aLT9H07" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;The Fund&#x2019;s Declaration of Trust, as amended, authorizes the issuance of an unlimited number of shares of $0.001 par value Preferred Shares. Preferred Shares are senior to the common shares and result in the financial leveraging of the common shares. Such leveraging tends to magnify both the risks and opportunities to common shareholders. Dividends on the Series A and Series B Preferred are cumulative and the liquidation value is $50 per share. The Fund is required by the 1940 Act and by the Fund&#x2019;s Statement of Preferences to meet certain asset coverage tests with respect to the Preferred Shares. If the Fund fails to meet these requirements and does not correct such failure, the Fund may be required to redeem, in part or in full, the Series A and Series B Preferred Shares at the redemption price of $50 per share plus an amount equal to the accumulated and&lt;/p&gt;















&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;unpaid dividends whether or not declared on such shares in order to meet these requirements. Additionally, failure to meet the foregoing asset coverage requirements could restrict the Fund&#x2019;s ability to pay dividends to common shareholders and could lead to sales of portfolio securities at inopportune times. The income received on the Fund&#x2019;s assets may vary in a manner unrelated to the fixed and variable rates, which could have either a beneficial or detrimental impact on net investment income and gains available to common shareholders.&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;As of June&#160;30, 2025, the Fund had an effective shelf registration authorizing the issuance of $150 million in common or preferred shares.&lt;/p&gt;

&lt;p id="xdx_840_ecef--PreferredStockRestrictionsOtherTextBlock_hcef--RiskAxis__custom--SeriesACumulativePreferredStockMember_zZBUcjbLCBJb" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;The Series A Preferred has an annual dividend rate of 3.80%. The Fund may redeem at any time all or any part of the Series A Preferred at the liquidation value plus accumulated and unpaid dividends. During the six months ended June&#160;30, 2025 the Fund did not repurchase and retire any Series A Preferred, and during the year ended December&#160;2024, the Fund repurchased and retired 2,035 of the Series A Preferred Shares in the open market at an investment of $87,487 and at an average discount of approximately 14.04% from its liquidation preference.&lt;/p&gt;

&lt;p id="xdx_841_ecef--PreferredStockRestrictionsOtherTextBlock_hcef--RiskAxis__custom--SeriesBCumulativePreferredStockMember_zu5q2HM08bLj" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;On December&#160;11, 2023, the Board approved June&#160;26, 2024 as an additional put date for the Series B Preferred, and on March&#160;16, 2025 the Board approved December&#160;26, 2025, June&#160;26, 2026, December&#160;26, 2026, and June&#160;26, 2027 as additional put dates for the Series B Preferred. Each Series B Preferred shareholder had the right to put their shares to the Fund in each of the 60-day periods ending December&#160;26, 2025, June&#160;26, 2026, December&#160;26, 2026, and June&#160;26, 2027, after which the Series B preferred becomes perpetual. After proper notification is given, the Series B preferred shares are callable at the liquidation value of $50 per share plus accrued dividends.&lt;/p&gt;

&lt;p id="xdx_85D_zmuGzWkefW97" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;On December&#160;26, 2021, the Fund redeemed and retired 51,968 shares of Series B Preferred that were properly submitted for redemption during the 30-day period prior to December&#160;26, 2021 at their liquidation value of $50 per share plus any accumulated and unpaid dividends. On January&#160;8, 2022, the fund repurchased 1,048 shares of Series B Preferred at their liquidation preference of $50 per share.&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;On December&#160;26, 2023, the Fund redeemed and retired 460,602 shares of Series B preferred that were properly submitted for redemption during the 60-day period ending on December&#160;26, 2023 at their liquidation value of $50 per share plus any accumulated or unpaid dividends.&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;On June&#160;26, 2024, the Fund redeemed and retired 119,802 shares of Series B preferred that were properly submitted for redemption during the 60-day period ending on June&#160;26, 2024 at their liquidation value of $50 per share plus any accumulated or unpaid dividends.&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;On December&#160;26, 2024, the Fund redeemed and retired 119,595 shares of Series B preferred that were properly submitted for redemption during the 60-day period ending on December&#160;26, 2024 at their liquidation value of $50 per share plus any accumulated or unpaid dividends.&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;On June&#160;26, 2025, the Fund redeemed and retired 4,839 shares of Series B preferred that were properly submitted for redemption during the 60-day period ending on June&#160;26, 2025 at their liquidation value of $50 per share plus any accumulated or unpaid dividends.&lt;/p&gt;













&lt;p id="xdx_849_ecef--OutstandingSecuritiesTableTextBlock_hcef--RiskAxis__custom--CumulativePreferredStocksMember_zrid1AhYfB7h" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;The following table summarizes Cumulative Preferred Stock information:&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Series&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Issue Date&lt;/span&gt;&lt;/td&gt;
    &lt;td&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Authorized&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Number of&lt;br/&gt; Shares&lt;br/&gt; Outstanding at&lt;br/&gt; 6/30/2025&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Net&lt;br/&gt; Proceeds&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;2025 Dividend&lt;br/&gt; Rate Range&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Dividend&lt;br/&gt; Rate at&lt;br/&gt; 6/30/2025&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Accrued&lt;br/&gt; Dividends at&lt;br/&gt; 6/30/2025&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td id="xdx_98A_ecef--OutstandingSecurityTitleTextBlock_c20250101__20250630__cef--RiskAxis__custom--SeriesACumulativePreferredStocksMember_zRAlHoRUi7Rh" style="font: 10pt Arial, Helvetica, Sans-Serif; vertical-align: top; text-indent: -0.125in; padding-left: 0.125in; width: 12%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;A 3.800%&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 2%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 15%; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;April 11, 2013&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_983_ecef--OutstandingSecurityAuthorizedShares_c20250101__20250630__cef--RiskAxis__custom--SeriesACumulativePreferredStocksMember_zQ77k7rU7RX9" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 9%; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;1,200,000&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_98E_ecef--OutstandingSecurityNotHeldShares_c20250101__20250630__cef--RiskAxis__custom--SeriesACumulativePreferredStocksMember_zAsj80QWdIHg" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 9%; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;18,314&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 9%; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;70,286,465&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 9%; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Fixed Rate&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 2%"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 9%; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;3.800%&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 9%; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;387&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td id="xdx_98F_ecef--OutstandingSecurityTitleTextBlock_c20250101__20250630__cef--RiskAxis__custom--SeriesBCumulativePreferredStocksMember_zBjraT7RXEVb" style="font: 10pt Arial, Helvetica, Sans-Serif; vertical-align: top; text-indent: -0.125in; padding-left: 0.125in; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;B 5.200%&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;December 19, 2018&lt;/span&gt;&lt;/td&gt;
    &lt;td&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_98A_ecef--OutstandingSecurityAuthorizedShares_c20250101__20250630__cef--RiskAxis__custom--SeriesBCumulativePreferredStocksMember_zc1Sxp4IOZt5" style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;1,370,433&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_980_ecef--OutstandingSecurityNotHeldShares_c20250101__20250630__cef--RiskAxis__custom--SeriesBCumulativePreferredStocksMember_z4xAGFGxpiOf" style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;500,175&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;81,988,557&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Fixed Rate&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;5.200%&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;14,450&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_853_zb6HsENxg9fj" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p id="xdx_844_ecef--SecurityVotingRightsTextBlock_hcef--RiskAxis__custom--CumulativePreferredStocksMember_zMKthOSXUHNj" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;The holders of Preferred Shares generally are entitled to one vote per share held on each matter submitted to a vote of stockholders of the Fund and will vote together with holders of common stock as a single class. The holders of Preferred Shares voting together as a single class also have the right currently to elect two Trustees and, under certain circumstances, are entitled to elect a majority of the Board of Trustees. In addition, the affirmative vote of a majority of the votes entitled to be cast by holders of all outstanding shares of the preferred shares, voting as a single class, will be required to approve any plan of reorganization adversely affecting the preferred stock, and the approval of two-thirds of each class, voting separately, of the Fund&#x2019;s outstanding voting stock must approve the conversion of the Fund from a closed-end to an open-end investment company. The approval of a majority (as defined in the 1940 Act) of the outstanding preferred shares and a majority (as defined in the 1940 Act) of the Fund&#x2019;s outstanding voting securities are required to approve certain other actions, including changes in the Fund&#x2019;s investment objectives or fundamental investment policies.&lt;/p&gt;

&lt;p id="xdx_850_zx5Uf5YnTbag" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

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&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;The Fund&#x2019;s Declaration of Trust, as amended, authorizes the issuance of an unlimited number of shares of $0.001 par value Preferred Shares. Preferred Shares are senior to the common shares and result in the financial leveraging of the common shares. Such leveraging tends to magnify both the risks and opportunities to common shareholders. Dividends on the Series A and Series B Preferred are cumulative and the liquidation value is $50 per share. The Fund is required by the 1940 Act and by the Fund&#x2019;s Statement of Preferences to meet certain asset coverage tests with respect to the Preferred Shares. If the Fund fails to meet these requirements and does not correct such failure, the Fund may be required to redeem, in part or in full, the Series A and Series B Preferred Shares at the redemption price of $50 per share plus an amount equal to the accumulated and&lt;/p&gt;















&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;unpaid dividends whether or not declared on such shares in order to meet these requirements. Additionally, failure to meet the foregoing asset coverage requirements could restrict the Fund&#x2019;s ability to pay dividends to common shareholders and could lead to sales of portfolio securities at inopportune times. The income received on the Fund&#x2019;s assets may vary in a manner unrelated to the fixed and variable rates, which could have either a beneficial or detrimental impact on net investment income and gains available to common shareholders.&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;As of June&#160;30, 2025, the Fund had an effective shelf registration authorizing the issuance of $150 million in common or preferred shares.&lt;/p&gt;

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&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;The Series A Preferred has an annual dividend rate of 3.80%. The Fund may redeem at any time all or any part of the Series A Preferred at the liquidation value plus accumulated and unpaid dividends. During the six months ended June&#160;30, 2025 the Fund did not repurchase and retire any Series A Preferred, and during the year ended December&#160;2024, the Fund repurchased and retired 2,035 of the Series A Preferred Shares in the open market at an investment of $87,487 and at an average discount of approximately 14.04% from its liquidation preference.&lt;/p&gt;

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&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;On December&#160;11, 2023, the Board approved June&#160;26, 2024 as an additional put date for the Series B Preferred, and on March&#160;16, 2025 the Board approved December&#160;26, 2025, June&#160;26, 2026, December&#160;26, 2026, and June&#160;26, 2027 as additional put dates for the Series B Preferred. Each Series B Preferred shareholder had the right to put their shares to the Fund in each of the 60-day periods ending December&#160;26, 2025, June&#160;26, 2026, December&#160;26, 2026, and June&#160;26, 2027, after which the Series B preferred becomes perpetual. After proper notification is given, the Series B preferred shares are callable at the liquidation value of $50 per share plus accrued dividends.&lt;/p&gt;

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&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;The following table summarizes Cumulative Preferred Stock information:&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Series&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Issue Date&lt;/span&gt;&lt;/td&gt;
    &lt;td&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Authorized&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Number of&lt;br/&gt; Shares&lt;br/&gt; Outstanding at&lt;br/&gt; 6/30/2025&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Net&lt;br/&gt; Proceeds&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;2025 Dividend&lt;br/&gt; Rate Range&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Dividend&lt;br/&gt; Rate at&lt;br/&gt; 6/30/2025&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Arial, Helvetica, Sans-Serif; vertical-align: bottom; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Accrued&lt;br/&gt; Dividends at&lt;br/&gt; 6/30/2025&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: bold 10pt Arial, Helvetica, Sans-Serif; text-align: center; padding-bottom: 1pt; vertical-align: bottom"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td id="xdx_98A_ecef--OutstandingSecurityTitleTextBlock_c20250101__20250630__cef--RiskAxis__custom--SeriesACumulativePreferredStocksMember_zRAlHoRUi7Rh" style="font: 10pt Arial, Helvetica, Sans-Serif; vertical-align: top; text-indent: -0.125in; padding-left: 0.125in; width: 12%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;A 3.800%&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 2%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 15%; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;April 11, 2013&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_983_ecef--OutstandingSecurityAuthorizedShares_c20250101__20250630__cef--RiskAxis__custom--SeriesACumulativePreferredStocksMember_zQ77k7rU7RX9" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 9%; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;1,200,000&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_98E_ecef--OutstandingSecurityNotHeldShares_c20250101__20250630__cef--RiskAxis__custom--SeriesACumulativePreferredStocksMember_zAsj80QWdIHg" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 9%; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;18,314&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 9%; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;70,286,465&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 9%; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Fixed Rate&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 2%"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 9%; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;3.800%&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 9%; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;387&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; width: 1%; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td id="xdx_98F_ecef--OutstandingSecurityTitleTextBlock_c20250101__20250630__cef--RiskAxis__custom--SeriesBCumulativePreferredStocksMember_zBjraT7RXEVb" style="font: 10pt Arial, Helvetica, Sans-Serif; vertical-align: top; text-indent: -0.125in; padding-left: 0.125in; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;B 5.200%&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;December 19, 2018&lt;/span&gt;&lt;/td&gt;
    &lt;td&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_98A_ecef--OutstandingSecurityAuthorizedShares_c20250101__20250630__cef--RiskAxis__custom--SeriesBCumulativePreferredStocksMember_zc1Sxp4IOZt5" style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;1,370,433&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_980_ecef--OutstandingSecurityNotHeldShares_c20250101__20250630__cef--RiskAxis__custom--SeriesBCumulativePreferredStocksMember_z4xAGFGxpiOf" style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;500,175&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;81,988,557&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;Fixed Rate&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: center"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;5.200%&lt;/span&gt;&lt;/td&gt;
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    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;14,450&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font: 10pt Arial, Helvetica, Sans-Serif; text-align: left"&gt;&lt;span style="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"&gt;The holders of Preferred Shares generally are entitled to one vote per share held on each matter submitted to a vote of stockholders of the Fund and will vote together with holders of common stock as a single class. The holders of Preferred Shares voting together as a single class also have the right currently to elect two Trustees and, under certain circumstances, are entitled to elect a majority of the Board of Trustees. In addition, the affirmative vote of a majority of the votes entitled to be cast by holders of all outstanding shares of the preferred shares, voting as a single class, will be required to approve any plan of reorganization adversely affecting the preferred stock, and the approval of two-thirds of each class, voting separately, of the Fund&#x2019;s outstanding voting stock must approve the conversion of the Fund from a closed-end to an open-end investment company. The approval of a majority (as defined in the 1940 Act) of the outstanding preferred shares and a majority (as defined in the 1940 Act) of the Fund&#x2019;s outstanding voting securities are required to approve certain other actions, including changes in the Fund&#x2019;s investment objectives or fundamental investment policies.&lt;/p&gt;

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