Croftsman Company recorded the following information for its main product: $310 Selling price per unit Costs per unit (at the normal capacity of 31,000 units): Direct material Direct labour Variable overhead Fixed overhead Sales Commission 40 20 20 55 7.5 % of sales Required: 1. Compute the contribution margin ratio and break-even in sales dollars. % Contribution margin ratio Breakeven sales 2. What is the margin of safety in dollars and units, and the degree of operating leverage? (Round "Degree of operating leverage" to 2 decimal places and the rest to the nearest whole number.) 2. What is the margin of safety in dollars and units, and the degree of operating leverage? (Round "Degree of operating leverage" to 2 decimal places and the rest to the nearest whole number.) Dollars Units Margin of safety Degree of operating leverago