E5-18 (Algo) Calculating Contribution Margin and Contribution Ratio, Preparing Contribution Margin Income Statement [LO 5-5] Riverside Incorporated makes one model of wooden canoe. Partial information for it follows: Riverside selis its canoes for $720 each. Next year Riverside expects to sell 1,000 conoes. Required: Complete the Riverside's contribution margin income statement for each independent scenorio. Assuming each scenario is a variation of Riverside's original data. Note: Round your unit contribution margin and contribution margin ratio to 2 decimal places (i.e, 0.1234 should be entered as 12.34% ) and all other answers to the nearest dollar amount. Required: Complete the Riverside's contribution margin income statement for each independent scenario. Assuming each scenario is a variation of Riverside's original data. Note: Round your unit contribution margin and contribution margin ratio to 2 decimal places (i.e, 0.1234 should be entered as 12.34% ) and all other answers to the nearest dollar amount