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Inventories, net
 12 Months Ended
Dec. 31, 2021
Text block [abstract]  
Inventories, net
8. Inventories, net
An analysis of inventories at December 31, 2020 and 2021 is as follows:
 
     2020    
2021
  
Mobile phones, accessories, computers, TVs, cards and other materials
      Ps.33,763,086    
 
Ps.
 
26,131,521
 
Less: Reserve for obsolete and slow-moving inventories
      (3,385,647 )   
 
(1,946,211
) 
    
 
 
    
 
 
  
Total
      Ps.30,377,439    
 
Ps.
 
24,185,310
 
    
 
 
    
 
 
  
For the years ended December 31, 2019, 2020 and 2021, the cost of inventories recognized in cost of sales was Ps.
 
128,559,826, Ps.
 
114,711,857
and
Ps.
 
122,220,495
respectively
.