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21. Employees benefits (Details 5) R$ in Thousands | 12 Months Ended
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Dec. 31, 2019 BRL (R$)
Employees Benefits Details 5Abstract |
Service cost | R$ 8,610
Interest cost rates | 233,039
Participants' contributions | (31,712)
Net profitability on financial assets | (192,965)
Expense to be recognized by employer | R$ 8,362

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