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16. SUPPLY CHAIN FINANCE (Details Narratives) | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Domestic suppliers [member] | Bottom of range [member] |  |
DisclosureOfSupplyChainFinanceLineItems [Line Items] |  |
Discount rates applied on transactions | 0.38% | 0.38%
Domestic suppliers [member] | Top Of Range [member] |  |
DisclosureOfSupplyChainFinanceLineItems [Line Items] |  |
Discount rates applied on transactions | 0.47% | 0.67%
Foreign suppliers [member] | Bottom of range [member] |  |
DisclosureOfSupplyChainFinanceLineItems [Line Items] |  |
Discount rates applied on transactions | 0.18% | 0.32%
Foreign suppliers [member] | Top Of Range [member] |  |
DisclosureOfSupplyChainFinanceLineItems [Line Items] |  |
Discount rates applied on transactions | 0.40% | 0.46%

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