Sales price $4,400 $3,000 Variable cost of goods sold (2,770) (2,010) Manufacturing margin $1,630 $990 Variable selling expenses (750) (510) Contribution margin $880 $480 Fixed expenses (410) (190) Operating income $470 $290 In addition, the following sales unit volume information for the period is as follows: Conquistador Hurricane Sales unit volume 3,600 2,600 a. Prepare a contribution margin by product report. Compute the contribution margin ratio for each product as a whole percent. Galaxy Sports Inc. Contribution Margin by Product Conquistador Hurricane Sales Variable cost of goods sold Manufacturing margin Variable selling expenses Contribution margin Contribution margin ratio