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U. S. GOVERNMENT SECURITIES (Details) - U.S. government securities | Jan. 31, 2021 USD ($)
--- | ---
Carrying Value |
Due within one year | $ 9,906,669
Total carrying value | 9,906,669
Fair Value, Inputs, Level 1 [Member] |
Fair Value |
Due within one year | 9,906,847
Total | $ 9,906,847

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