Required information [The following information applies to the questions displayed below] Oslo Company prepared the following contribution format income statement based on a sales volume of 1,000 units (the relevant range of production is 500 units to 1,500 units): 1. What is the margin of safety in dollars? What is the margin of safety percentage? Required information [The following information applies to the questions displayed below.] Oslo Company prepared the following contribution format income statement based on a sales volume of 1,000 units (the relevant range of production is 500 units to 1,500 units): 12. What is the degree of operating leverage? (Round your answer to 2 decimal places.)