Sales Cost of goods sold Accounts receivable 2017 2016 2015 2014 2013 $ 508,346 $ 334,438 $ 270,800 $ 190,704 $ 139,200 251,590 165,425 136, 142 95,045 68,208 24,553 19,565 18,523 11,118 9,535 Compute trend percents for the above accounts, using 2013 as the base year. Trend Percent for Net Sales: | Choose Denominator: Choose Numerator: 1 Sales 2017: 1 % 2016: 1 % 2015: = % 2014: % Trend Percent for Cost of Goods Sold: 1 Choose Denominator: Choose Numerator: 1 Cost of goods sold 2017: 1 = % 2016: 1 % 2015: 1 % 2014: % Trend Percent for Accounts Receivables: | Choose Denominator: Choose Numerator: 1 Accounts receivable 2017: 1 = % 2016: 1 % 2015: 1 % 2014: / %