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Expenses by Nature
 12 Months Ended
Dec. 31, 2019
Text block [abstract]  
Expenses by Nature
28. Expenses by Nature
The Company presents its expenses by function in the consolidated statement of profit or loss and presents below its expenses by nature:
 
   
2019
   
2018
   
2017
 
Raw materials and materials for use and consumption
   81,819,820    83,116,950    71,217,345 
Personnel expenses
   2,415,581    2,513,586    2,231,556 
Freight and storage
   1,170,870    1,178,990    1,117,467 
Depreciation and amortization
   844,647    812,489    704,544 
Amortization of right to use assets
   300,058    —      —   
Advertising and marketing
   206,103    173,988    192,441 
Services provided by third parties
   322,589    328,361    351,227 
Other expenses
   474,081    709,710    679,810 
  
 
 
   
 
 
   
 
 
 
Total
   87,553,749    88,834,074    76,494,390 
  
 
 
   
 
 
   
 
 
 
Classified as:
      
Cost of products and services sold
   83,187,109    84,537,368    72,431,473 
Selling and marketing
   2,640,387    2,670,867    2,486,389 
General and administrative
   1,726,253    1,625,839    1,576,528 
  
 
 
   
 
 
   
 
 
 
Total
   87,553,749    88,834,074    76,494,390