Computing and analyzing trend percents

P$1$

Compute trend percents for the following 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.

$20212020201920182017$ Sales $$282,880$ $$270,800$ $$252,600$ $$234,560$ $$150,000$

Cost of goods sold $128,200122,080115,280106,44067,000$

Accounts receivable $18,10017,30016,40015,2009,000$