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23. EXPENSES BY NATURE (Tables)

12 Months Ended

Dec. 31, 2018

Expenses By Nature Tables Abstract

Expenses by nature

								Consolidated
			12/31/2018				12/31/2017		12/31/2016
Raw materials and inputs			(6,759,275)				(5,404,801)		(4,518,718)
Labor cost			(2,743,460)				(2,400,579)		(2,482,111)
Supplies			(1,782,576)				(1,451,437)		(1,384,437)
Maintenance cost (services and materials)			(1,326,894)				(1,145,974)		(1,203,294)
Outsourcing services			(2,368,387)				(2,062,352)		(2,228,786)
Freights			(1,802,541)				(1,362,087)		(1,263,734)
Depreciation, Amortization and depletion (Note 10,11, and 26)			(1.175.107)				(1,408,765)		(1,278,816)
Others			(905,128)				(591,094)		(495,274)
			(18,863,368)				(15,827,089)		(14,855,170)
Classified as:
Cost of sales			(16,105,657)				(13,596,141)		(12,640,042)
Selling expenses			(2,263,688)				(1,815,107)		(1,696,896)
General and administrative expenses			(494,023)				(415,841)		(518,232)
			(18,863,368)				(15,827,089)		(14,855,170)

Depreciation, amortization and depletion

	ConsColi Consolidated
	12/31/2018		12/31/2017		12/31/2016

Production costs	1,145,793		1,376,862		1,241,425
Sales expenses	5,850		8,851		9,163
General and Administrative Expenses	23,464		23,052		28,228
	1,175,107		1,408,765		1,278,816
Other operating expenses (*)	97,914		44,570		43,681
	1,273,021		1,453,335		1,322,497