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SELLING, GENERAL AND ADMINISTRATIVE EXPENSES (Tables) | 12 Months Ended
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Dec. 31, 2018
Analysis of income and expense [abstract] |
Schedule of selling, general and administrative expense |
| Year ended December 31,
| 2018 |  | 2017 |  | 2016
Services and fees (1) | 76,066 |  |  | 86,990 |  |  | 65,965 |
Labor cost | 241,552 |  |  | 229,529 |  |  | 193,118 |
Depreciation of property, plant and equipment | 13,561 |  |  | 12,345 |  |  | 13,589 |
Amortization of intangible assets | 93,842 |  |  | 78,264 |  |  | 38,427 |
Maintenance and expenses | 5,096 |  |  | 5,038 |  |  | 3,092 |
Taxes | 95,072 |  |  | 98,786 |  |  | 90,166 |
Office expenses | 35,663 |  |  | 35,922 |  |  | 36,223 |
Freight and transportation | 300,676 |  |  | 259,898 |  |  | 234,801 |
Increase of allowance for doubtful accounts | 1,629 |  |  | 685 |  |  | 288 |
Others | 13,607 |  |  | 16,790 |  |  | 12,273 |
Selling, general and administrative expenses | 876,764 |  |  | 824,247 |  |  | 687,942 |
(1) For the year ended December 31, 2018, it includes fees accrued for professional services rendered by PwC to Ternium S.A. and its subsidiaries that amounted to $4,704, including $3,937 for audit services, $61 for audit-related services, $281 for tax services and $425 for all other services. For the year ended December 31, 2017, it includes fees accrued for professional services rendered by PwC to Ternium S.A. and its subsidiaries that amounted to $3,501, including $2,863 for audit services, $91 for audit-related services, $229 for tax services and $318 for all other services. For the year ended December 31, 2016, it includes fees accrued for professional services rendered by PwC to Ternium S.A. and its subsidiaries that amounted to $3,385, including $2,869 for audit services, $99 for audit-related services, $251 for tax services and $166 for all other services.

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