Answer:
Contribution margin ratio:
For East Coast = 10%
For West Coast = 8.05%
Explanation:
As per the data given in the question,
Contribution margin by sales territory report :
C C S Inc.
Contribution margin by Territory
Particulars East Coast West Coast
Sales (a) $8,400,000 $8,610,000
(30,000×$280)+(0×$130)
(21,000×$280)+(21,000×$130)
Less: variable cost of goods sold(b) $6,600,000 $6,657,000
(30,000×$220)+(0×$97)
(21,000×$220)+(21,000×$97)
Manufacturing margin (c=a-b) $1,800,000 $1,953,000
Less: Variable selling expense (d) $960,000 $1,260,000
(30,000×$32)+(0×$28)
(21,000×$32)+(21,000×$28)
Contribution margin (e=c-d) $840,000 $693,000
For East Coast:
Contribution margin ratio = (Contribution margin ÷ Sales revenue)×100
=($840,000÷ $8,400,000)×100
= 10%
For west coast:
Contribution margin ratio = (Contribution margin ÷ Sales revenue)×100
=($693,000 ÷ $8,610,000)×100
= 8.05%