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LOANS AND FINANCING (Table) | 12 Months Ended
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Dec. 31, 2017
LOANS AND FINANCING |
Schedule of loans and financing |
|  | Annual charges (*) |  | 2017 |  | 2016 |
Working capital |  | 7.36 | % | 2,739,258 |  | 3,468,490 |
Financing of property, plant and equipment and others |  | 8.58 | % | 2,108,216 |  | 2,855,860 |
Ten/Thirty Year Bonds |  | 5.84 | % | 11,614,182 |  | 14,093,460 |
Total Loans and Financing |  |  |  | 16,461,656 |  | 20,417,810 |
Current |  |  |  | 2,004,341 |  | 4,458,220 |
Non-current |  |  |  | 14,457,315 |  | 15,959,590 |
Principal amount of loans and Financing |  |  |  | 16,207,120 |  | 20,049,854 |
Interest accrued of loans and Financing |  |  |  | 254,536 |  | 367,956 |
Total Loans and Financing |  |  |  | 16,461,656 |  | 20,417,810 |
(*) Weighted average effective interest costs on December 31, 2017.
Schedule of loans and financing by currency |
|  | 2017 |  | 2016 |
Brazilian Real (BRL) |  | 2,710,308 |  | 3,228,759 |
U.S. Dollar (USD) |  | 13,333,669 |  | 16,487,116 |
Other currencies |  | 417,679 |  | 701,935 |
|  | 16,461,656 |  | 20,417,810 |
Schedule of amortization of long term loans and financing |
|  | 2017 |  | 2016 |
2018 |  | — |  | 1,679,416 |
2019 |  | 873,274 |  | 875,319 |
2020 |  | 3,158,211 |  | 3,261,435 |
2021 |  | 1,730,177 |  | 3,500,937 |
2022 |  | 147,715 |  | 150,916 |
2023 on |  | 8,547,938 |  | 6,491,567 |
|  | 14,457,315 |  | 15,959,590 |

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