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Inventory (Tables)
9 Months Ended
Feb. 28, 2021
Inventory Disclosure [Abstract]  
Schedule of inventory

Inventory consisted of the following:

 

    February 28, 2021     May 31, 2020  
Finished Goods   $ 23,723     $ 29,839  
Raw Materials     277,800       258,285  
Total   $ 301,523     $ 288,124