Sales Cost of goods sold Accounts receivable 2017 2016 2015 2014 2013 $ 593,931 $ 390,744 $ 322,929 $ 216,006 $ 155,400 305,455 200,929 167,794 111,963 79,254 28,865 22,819 22,088 12,593 10,676 Compute trend percents for the above accounts, using 2013 as the base year. Trend Percent for Net Sales: | Choose Denominator: Choose Numerator: / Sales 2017: / = % 2016: / % 2015: 1 = % 2014: / = % Trend Percent for Cost of Goods Sold: Choose Numerator: 1 Choose Denominator: / Cost of goods sold 2017: / % / = % 2016: 2015: 2014: 7 % % Trend Percent for Accounts Receivables: | Choose Denominator: Choose Numerator: / Accounts receivable 2017: / % 2016: / IIIIIIIIII % 2015: / % 2014: / %