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Accrued Expenses
9 Months Ended
Aug. 31, 2020
Accrued Expenses [Abstract]  
ACCRUED EXPENSES

NOTE F – ACCRUED EXPENSES


Accrued expenses consist of the following:


   August 31,   November 30, 
   2020   2019 
         
Commissions  $238,188   $233,784 
Preferred stock dividends   151,569    146,569 
Other accrued expenses   167,257    200,848 
           
   $557,014   $581,201