11-15 please.

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 of a 5% increase in sales?

14.assume that the amounts of the company's total variable expenses and total fixed expenses were reversed. in other wrds, assume that the total variable expenses are $27,720 and the total fixed expenses are $73,500. under this scenario and assuming that total sales remain the same, what is the degree of operating leverage?

15. assume that the amounts of the company's total variable expenses and total fixed expenses were reversed. in other wrds, assume that the total variable expenses are $27,720 and the total fixed expenses are $73,500. given this scenario and assuming that total sales remain the same, using the degree of calculated operating leverage, what is the estimated percent increase in net operating income of a 5% increase in sales?

Help Required information The Foundational 15 (LO5-1, LO5-3, LO5-4, LO5-5, LO5-6, LO5-7, LO5-8) 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): Sales Variable expenses Contribution margin Fixed expenses Net operating income $105,000 73,500 31,500 27.720 $ 3,780 Foundational 5-11 11. What is the margin of safety in dollars? What is the margin Margin of safety in dollars Margin of safety percentage