Compute index-number trend percents for the following accounts, using Year 1 as the base year. State whether the situation as revealed by the trends appears to be favorable or unfavorable
Year-5
Year-4
Year-3
Year-2
Year-1
Sales
$283,880
$271,800
$253,680
$235,560
$151,000
Cost of Goods Sold
129,200
123,080
116,280
107,440
68,000
Accounts Receivable
19,100
18,300
17,400
16,200
10,000
