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Receivables: (Tables)
12 Months Ended
Dec. 26, 2020
Receivables:  
Schedule of the Company's current receivables

    

December 26, 2020

    

December 28, 2019

 

Trade

$

16,700

$

35,800

Royalty

 

1,518,000

 

1,543,100

Other

 

47,200

 

90,600

$

1,581,900

$

1,669,500