5 of 9 < View Policies Current Attempt in Progress -12 E MathTot sells a learning system that helps preschool and elementary students learn basic math facts and concepts. The company's income statement from last month is as follows: Total Per Unit Sales revenue $600,000 $50 Variable expenses 210,000 17.5 Contribution margin 390,000 $32.50 Fixed expenses 292,500 Operating income $97,500 11:10 AM 6/2/2022 % do What is Math Tot's contribution margin ratio? Its variable cost ratio? (Round ratios to 2 percent Contribution margin ratio Variable cost ratio % de