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Note 4 - Inventories (Tables)
3 Months Ended
Feb. 27, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

February 27,

  

November 28,

 
  

2021

  

2020

 

Raw materials

 $187,214  $151,026 

Finished goods

  201,559   172,187 

Total inventories

 $388,773  $323,213