Sales Cost of goods sold Accounts receivable 2021 $ 633,203 312,769 30,647 2020 $416,581 205,625 24,412 2019 $ 326,730 163,448 22,348 2018 $ 234,215 115,965 13,655 2017 $ 168,500 82,565 11,509 Compute trend percents for the above accounts, using 2017 as the base year. For each of the three accounts, situation as revealed by the trend percents appears to be favorable or unfavorable. Trend Percent for Not Sales: Numerator: Denominator: 2021: 2020: 2019: 2018: 2017: Is the trend percent for Net Sales favorable or unfavorable? 2021: 2020: 2019: 2018: Trend Percent for Cost of Goods Sold: Numerator: Denominator: 2017: Is the trend percent for Cost of Goods Sold favorable or unfavorable? 2021: 2020: Trend percent % % % % # p Trend percent + % Trend Percent for Accounts Receivable: Numerator: Denominator: Trend percent % %