In 2014 overall increase of cost of goods sold is 8:34% lower growth rate of net sales, selling and providing services is 12.71% this is a positive signal of the business during the year. But by 2015, the growth rate of the cost of sales was 4.12% to the revenues from sales of goods and service providers increased by only 2.82% this is a negative signal now looking for reasons to control the increase of Cost of goods sold.
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