E$5-18($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:

$\backslash$table$[[$Number of Canoes Produced and Sold,$500,700,850],[$Total costs,$$90,000,$$$126,000,$$$153,000$