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18 RELATED-PARTY BALANCES AND TRANSACTIONS (Details 1) - BRL (R$) R$ in Thousands |  | 12 Months Ended
--- | --- | ---
Oct. 15, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Expenses |  |  |  |
Net income (loss) for the year | R$ 1,000,000 | R$ 2,244,511 | R$ 5,200,583 | R$ 111,229
Subsidiaries, Joint Ventures, Associates, Exclusive Funds and Other Related Parties [Member] |  |  |  |
Revenues |  |  |  |
Sales |  | 1,122,303 | 1,278,751 | 880,145
Interest (note 24) |  | 79,228 | 64,888 | 61,549
Expenses |  |  |  |
Purchases |  | (1,958,958) | (1,418,282) | (1,176,930)
Interest (Note 24) |  |  | (16,092) |
Foreing exchange and monetary variations, net |  | 3,586 | 13,611 |
Other expenses |  | (150,943) |  |
Net income (loss) for the year |  | R$ (904,253) | R$ (77,124) | R$ (235,236)

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