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EXPENSES BY NATURE (Tables) | 12 Months Ended
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Dec. 31, 2021
EXPENSES BY NATURE |
Schedule of expenses classified by nature | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2021 |  | 2020 |  | 2019
Depreciation and amortization |  | (2,658,561) |  | (2,499,104) |  | (2,074,295)
Labor expenses |  | (7,249,811) |  | (5,867,265) |  | (5,175,373)
Raw material and consumption material |  | (43,720,989) |  | (26,945,440) |  | (25,890,618)
Freight |  | (3,898,360) |  | (2,572,293) |  | (2,300,439)
Other expenses/income, net |  | (1,585,863) |  | (476,818) |  | (1,002,301)
Eletrobras compulsory loan recovery |  | 1,391,280 |  | — |  | —
Results in operations with subsidiary and joint ventures |  | (162,913) |  | — |  | —
Impairment of non-financial assets |  | — |  | (411,925) |  | —
​ | ​ | (57,885,217) | ​ | (38,772,845) | ​ | (36,443,026)
Classified as: |  |  |  |  |  |
Cost of sales |  | (57,527,721) |  | (37,884,102) |  | (35,440,726)
Selling expenses |  | (715,830) |  | (512,950) |  | (476,339)
General and administrative expenses |  | (1,390,121) |  | (1,017,435) |  | (954,117)
Other operating income |  | 979,760 |  | 1,763,684 |  | 636,847
Other operating expenses |  | (460,029) |  | (645,985) |  | (187,647)
Eletrobras compulsory loan recovery | ​ | 1,391,280 | ​ | — | ​ | —
Results in operations with subsidiary and joint ventures |  | (162,913) |  | — |  | —
Impairment of financial assets |  | 357 |  | (64,132) |  | (21,044)
Impairment of non-financial assets |  | — | ​ | (411,925) |  | —
​ | ​ | (57,885,217) | ​ | (38,772,845) | ​ | (36,443,026)

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