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DEFERRED CHARGES | 12 Months Ended
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Jul. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
DEFERRED CHARGES | 10. DEFERRED CHARGES: Deferred charges for the fiscal years ended July 31, 2021 and 2020 consist of the following:
|  | July 31, 2021 |  | July 31, 2020
|  | Gross |  |  |  | Gross |  |
|  | Carrying |  | Accumulated |  | Carrying |  | Accumulated
|  | Amount |  | Amortization |  | Amount |  | Amortization
Leasing brokerage commissions |  | $ | 5,266,672 |  | $ | 1,579,460 |  | $ | 4,204,638 |  | $ | 1,281,010
Professional fees for leasing |  |  | 127,810 |  |  | 75,779 |  |  | 151,704 |  |  | 88,684
Total |  | $ | 5,394,482 |  | $ | 1,655,239 |  | $ | 4,356,342 |  | $ | 1,369,694
The aggregate amortization expense for the periods ended July 31, 2021 and July 31, 2020 were $385,967, and $297,887, respectively. The weighted average life of current year additions to deferred charges was fourteen years. The estimated aggregate amortization expense for each of the five succeeding fiscal years is as follows:
Year Ended July 31 |  | Amortization
2022 |  | $427,013
2023 |  | $425,017
2024 |  | $394,396
2025 |  | $352,943
2026 |  | $333,292

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