11. What is the margin of safety in dollars? What is the margin of safety percentage?

12. What is the degree of operating leverage?

13. Using the degree of operating leverage, what is the estimated percent increase in net operating income that would result from a 5% increase in unit sales?

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)