Sales Cost of goods sold Accounts receivable 2021 2020 $ 584,232 306,401 28,335 $ 384,363 201,619 22,370 2019 $ 302,648 160,877 20,792 2018 $ 202,440 106,319 11,883 2017 $ 144,600 75,192 9,920 Compute trend percents for the above accounts, using 2017 as the base year. For each of the three accounts, state whether the situation as revealed by the trend percents appears to be favorable or unfavorable.