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Inventory (Tables)
3 Months Ended
Aug. 31, 2020
Inventory Disclosure [Abstract]  
Schedule of inventory

Inventory consisted of the following:

 

   August 31, 2020  May 31, 2020
Finished Goods  $28,215   $29,839 
Raw Materials   477,535    258,285 
Total  $505,750   $288,124