$20212020201920182017$Sales$ $406,369$$ $263,876$$ $211,101$$ $154,088$$ $113,300$Cost of goods sold$205,685133,688108,85178,59456,650$Accounts receivable$19,70915,46314,5039,0307,784$ 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.