Sales Cost of goods sold Accounts receivable 2021 $ 497,851 261,333 24,196 2020 $ 323,280 169,806 18,912 $177,795 2019 2018 $ 251,580 134,122 17,233 94,203 10,437 2017 $ 131,700 68,484 8,995 Compute trend percents for the above accounts, using 2017 as the base year. For each of the three accounts, st situation as revealed by the trend percents appears to be favorable or unfavorable. Trend Percent for Net Sales: Numerator: Denominator: Analysis period net sales Base year net sales 2021: 2020: 2019: 2018: 2017: Is the trend percent for Net Sales favorable or unfavorable? Trend percent 0% 0% 0% 0% 0%