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MARKETABLE SECURITIES (Tables) | 12 Months Ended
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Jul. 31, 2024
Marketable securities: |
Schedule of classified marketable securities |
Schedule of classified marketable securities |  | July 31, 2024 |  |  | July 31, 2023 |
|  | Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |  |  | Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
Available-for-sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mutual funds |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 595,166 |  |  | $ | 301,007 |  |  | $ | — |  |  | $ | 896,173 |
Equity securities |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 904,981 |  |  |  | 499,287 |  |  |  | — |  |  |  | 1,404,268 |
|  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,500,147 |  |  | $ | 800,294 |  |  | $ | — |  |  | $ | 2,300,441 |
Schedule of investment income (loss) |
Schedule of investment income (loss) |  | 2024 |  |  | 2023 |
Dividend and interest income |  | $ | 87,922 |  |  | $ | 98,335 |
Net realized gain on sale of marketable securities |  |  | 124,907 |  |  |  | 130,009 |
Net unrealized (loss) on marketable securities |  |  | — |  |  |  | (366,206 | )
Total |  | $ | 212,829 |  |  | $ | (137,862 | )

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