<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>4
<FILENAME>firstda2477o.txt
<TEXT>
<PAGE>

PARTICIPATING FUNDS

.  U.S. Registered Funds (Name of Fund, Aladdin Ticker):
   ISHARES GLOBAL HIGH YIELD CORPORATE BOND ETF (ISHGHYG)
   ISHARES IBOXX $ HIGH YIELD CORPORATE BOND ETF (ISHHYLD)
   ISHARES CORE TOTAL USD BOND MARKET ETF (ISHIUSB)
   BlackRock Balanced Capital Portfolio (FI) (BCS_F)
   BlackRock Core Bond Trust - High Yield (BHK-HYLD)
   BlackRock Multi-Sector Income Trust - High Yield (BIT-HYLD)
   BlackRock Limited Duration Income Trust - High Yield (BLW-HYLD)
   BlackRock Funds, BlackRock Global Long/Short Credit Fund (BR-GC)
   BlackRock Funds II, High Yield Bond Portfolio (BR-HIYLD)
   BlackRock Multi-Asset Income - High Yield Portfolio (BR-INC-HY)
   BlackRock Secured Credit Portfolio (BR-MSB)
   BlackRock Total Return V.I. Portfolio (Ins - Var Ser) (BVA-BF)
   BlackRock High Yield Portfolio of BlackRock Series Fund, Inc (BVA-HI)
   BlackRock High Yield V.I. Fund (BVA-HY)
   BlackRock Total Return Portfolio (Ins - Series) (BVA-TR)
   BlackRock Debt Strategies Fund, Inc. (DSU)
   BlackRock Corporate High Yield Fund, Inc. (HYT)
   Metropolitan Series Fund, Inc.- BlackRock Bond Income Portfolio (MET-BI)
   Master Total Return Portfolio of Master Bond LLC (MF-BOND)
   MIST BlackRock High Yield Portfolio (MIST-HY)
   AST BlackRock Global Strategies Portfolio (US High Yield) (PRU-AA-HY)
   JNL/BlackRock Global Long Short Credit Fund (SMF_CC-GC)
   Advanced Series Trust - AST BlackRock/Loomis Sayles Bond Portfolio
   (SMF_PRUTR)

THE OFFERING

KEY CHARACTERISTICS (COMPLETE ALL FIELDS)

Date of Offering Commencement:  11-05-2015

Security Type:                  BND/CORP

Issuer                          First Data Corporation (2024)

Selling Underwriter             Deutsche Bank Securities Inc.

Affiliated Underwriter(s)       [X] PNC Capital Markets LLC
                                [_] Other:

List of Underwriter(s)          Deutsche Bank Securities Inc., Merrill Lynch,
                                Pierce, Fenner & Smith Incorporated, Citigroup
                                Global Markets Inc, Morgan Stanley & Co. LLC,
                                PNC Capital Markets LLC, Credit Suisse
                                Securities (USA) LLC, HSBC Securities (USA)
                                Inc, Mizuho Securities USA Inc, SunTrust
                                Robinson Humphrey, Inc, KKR Capital Markets LLC

TRANSACTION DETAILS

Date of Purchase      11-05-2015

                                  Page 1 of 2

<PAGE>

Rule 10f-3 Report - Definitions

<TABLE>
<S>                          <C>  <C>                                      <C>
Purchase Price/Share         $100 Total Commission, Spread or Profit       1.00
(PER SHARE / % OF PAR)
</TABLE>

<TABLE>
<S>                                                                <C>
1. Aggregate Principal Amount Purchased (a+b)                      $  300,000,000
                                                                   --------------
   a. US Registered Funds
      (Appendix attached with individual Fund/Client purchase)     $  202,194,000
                                                                   --------------
   b. Other BlackRock Clients                                      $   97,806,000
                                                                   --------------
2. Aggregate Principal Amount of Offering                          $2,200,000,000
                                                                   --------------
FUND RATIO                                                                0.13636
[Divide Sum of #1 by #2]
Must be less than 0.25
</TABLE>

LEGAL REQUIREMENTS

OFFERING TYPE (CHECK ONE)

The securities fall into one of the following transaction types (see
Definitions):

[X]  U.S. Registered Public Offering.. [Issuer must have 3 years of continuous
                                       operations]
[_]  Eligible Rule 144A Offering...... [Issuer must have 3 years of continuous
                                       operations]
[_]  Eligible Municipal Securities
[_]  Eligible Foreign Offering........ [Issuer must have 3 years of continuous
                                       operations]
[_]  Government Securities Offering... [Issuer must have 3 years of continuous
                                       operations]

TIMING AND PRICE (CHECK ONE OR BOTH)

[X]  The securities were purchased before the end of the first day on which any
     sales were made, at a price that was not more than the price paid by each
     other purchaser of securities in that offering or in any concurrent
     offering of the securities; and

[_]  If the securities are offered for subscription upon exercise of rights,
     the securities were purchased on or before the fourth day before the day
     on which the rights offering terminated.

FIRM COMMITMENT OFFERING (CHECK ONE)

[X] YES  The securities were offered pursuant to an underwriting or similar
[_] NO   agreement under which the underwriters were committed to purchase all
         of the securities being offered, except those purchased by others
         pursuant to a rights offering, if the underwriters purchased any of
         the securities.

NO BENEFIT TO AFFILIATED UNDERWRITER (CHECK ONE)

[X] YES  No affiliated underwriter was a direct or indirect participant in, or
[_] NO   benefited directly or indirectly from, the transaction.

Completed by:  Dipankar Banerjee                              Date: 11-10-2015
               ------------------------------------
               Global Syndicate Team Member

<PAGE>

Rule 10f-3 Report - Definitions

Approved by:  Steven DeLaura                                  Date: 11-10-2015
              ------------------------------------
              Global Syndicate Team Member
DEFINITIONS

TERM                       DEFINITION
Fund Ratio                 Number appearing at the bottom of page 1 of 2 of
                           the Rule 10f-3 Report form. It is the sum of the
                           Funds' participation in the offering by the Funds
                           and other accounts managed by BlackRock divided by
                           the total amount of the offering.

Eligible Foreign Offering  The securities are sold in a public offering
                           conducted under the laws of a country other than
                           the United States and

                           (a)  the offering is subject to regulation in such
                                country by a "foreign financial regulatory
                                authority," as defined in Section 2(a)(50) of
                                the Investment Company Act of 1940;

                           (b)  the securities were offered at a fixed price
                                to all purchasers in the offering (except for
                                any rights to purchase securities that are
                                required by law to be granted to existing
                                security holders of the issuer);

                           (c) financial statements, prepared and audited as
                               required or permitted by the appropriate
                               foreign financial regulatory authority in such
                               country, for the two years prior to the
                               offering, were made available to the public and
                               prospective purchasers in connection with the
                               offering; and

                           (d) if the issuer is a "domestic issuer," i.e.,
                               other than a foreign government, a national of
                               any foreign country, or a corporation or other
                               organization incorporated or organized under
                               the laws of any foreign country, it (1) has a
                               class of securities registered pursuant to
                               section 12(b) or 12(g) of the Securities
                               Exchange Act of 1934 or is required to file
                               reports pursuant to section 15(d) of that act,
                               and (2) has filed all the material required to
                               be filed pursuant to section 13(a) or 15(d) of
                               that act for a period of at least 12 months
                               immediately preceding the sale of securities
                               (or for such shorter period that the issuer was
                               required to file such material)

<PAGE>

Rule 10f-3 Report - Definitions

TERM                            DEFINITION
Eligible Municipal Securities   The securities:

                                (a)  are direct obligations of, or obligations
                                     guaranteed as to principal or interest
                                     by, a State or any political subdivision
                                     thereof, or any agency or instrumentality
                                     of a State or any political subdivision
                                     thereof, or any municipal corporate
                                     instrumentality of one or more States, or
                                     any security which is an industrial
                                     development bond (as defined in section
                                     103(c)(2) of Title 26) the interest on
                                     which is excludable from gross income
                                     under certain provisions of the Internal
                                     Revenue Code;

                                (b)  are sufficiently liquid that they can be
                                     sold at or near their carrying value
                                     within a reasonably short period of time;
                                     and

                                (c)  either

                                     (1)  are subject to no greater than
                                          moderate credit risk; or

                                     (2)  if the issuer of the municipal
                                          securities, or the entity supplying
                                          the revenues or other payments from
                                          which the issue is to be paid, has
                                          been in continuous operation for
                                          less than three years, including the
                                          operation of any predecessors, the
                                          securities are subject to a minimal
                                          or low amount of credit risk.

                                Also, purchases of municipal securities may
                                not be designated as group sales or otherwise
                                allocated to the account of any prohibited
                                seller (i.e., an affiliated underwriter).

Eligible Rule 144A Offering     The securities are sold in an offering where

                                (a)  the securities are offered or sold in
                                     transactions exempt from registration
                                     under Section 4(2) of the Securities Act
                                     of 1933, Rule 144A thereunder, or Rules
                                     501-508 thereunder;

                                (b)  the securities were sold to persons that
                                     the seller and any person acting on
                                     behalf of the seller reasonably believe
                                     to include qualified institutional
                                     buyers, as defined in Rule 144A ("QIBs");
                                     and

                                (c)  the seller and any person acting on
                                     behalf of the seller reasonably believe
                                     that the securities are eligible for
                                     resale to other QIBs pursuant to Rule
                                     144A.

Government Securities Offering  The security is issued or guaranteed as to
                                principal or interest by the United States, or
                                by a person controlled or supervised by and
                                acting as an instrumentality of the Government
                                of the United States pursuant to authority
                                granted by the Congress of the United States;
                                or any certificate of deposit for any of the
                                foregoing.

<PAGE>

Rule 10f-3 Report - Definitions

 TERM                             DEFINITION
 U.S. Registered Public Offering  The securities offered are registered under
                                  the Securities Act of 1933 that are being
                                  offered to the public.

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