Sales Cost of goods sold Accounts receivable 2021 $ 282,880 128, 200 18,100 2020 $ 270,800 122,080 17,300 2019 $ 252,600 115,280 16,400 2018 $ 234,560 106,440 15, 200 2017 $ 150,000 67,000 9,000 Compute trend percents for the above accounts, using 2017 as the base year