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STATEMENTS OF UNALLOCATED RESERVE AND TRUST CORPUS (Equity) - USD ($)
Unallocated Reserve
Trust Corpus
Total
Beginning Balance at Jan. 31, 2018 $ 10,606,675 $ 3  
Units, Beginning Balance at Jan. 31, 2018 13,120,010    
Increase (Decrease) in Unallocated Reserve and Trust Corpus      
Net income $ 45,559,044   $ 45,559,044
First quarter's distribution paid (5,904,005)    
Second quarter's distribution paid (2,886,402)    
Third quarter's distribution paid (12,332,809)    
Fourth quarter's distribution declared/paid (18,236,814)    
Ending Balance at Jan. 31, 2019 $ 16,805,689 3  
Units, Ending Balance at Jan. 31, 2019 13,120,010    
Increase (Decrease) in Unallocated Reserve and Trust Corpus      
Net income $ 30,055,752   30,055,752
First quarter's distribution paid (11,676,809)    
Second quarter's distribution paid (2,755,202)    
Third quarter's distribution paid (11,414,409)    
Fourth quarter's distribution declared/paid (9,184,007)    
Ending Balance at Jan. 31, 2020 $ 11,831,014 3 $ 11,831,017
Units, Ending Balance at Jan. 31, 2020 13,120,010   13,120,010
Increase (Decrease) in Unallocated Reserve and Trust Corpus      
Net income $ 23,407,647   $ 23,407,647
First quarter's distribution paid (7,347,205)    
Second quarter's distribution paid (656,001)    
Third quarter's distribution paid (4,723,204)    
Fourth quarter's distribution declared/paid (6,035,205)    
Ending Balance at Jan. 31, 2021 $ 16,477,046 $ 3 $ 16,477,049
Units, Ending Balance at Jan. 31, 2021 13,120,010   13,120,010