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:

Required
a. What is MathTot's contribution margin ratio? Its variable cost ratio?
b. What is MathTot's margin of safety?
c. If MathTot's sales were to increase by $100,000 with no change in fixed expenses, by how much would operating income increase?
d. MathTot's managers have determined that variable costs per unit will increase by 16% beginning next month. To offset this increase in costs, they are considering a 10% increase in the sales price. Market research indicates that the price increase will result in a 2% decrease in the number of learning systems MathTot sells. What will be MathTot's expected operating income if the price increase isimplemented?

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Per Unit Sales revenue Variable expenses Contribution margin Fixed expenses Operating income Total $600,000 210,000 390,000 292,500 97,500 $50.00 17.50 $32.50