9 Sales Variable expenses Contribution margin Fixed expenses Net operating Incone Amount $ 140,000 56,000 84,000 20,000 $ 64,000 Percent of Sales 1008 40 600 1 points Book Required: 1. What is the company's degree of operating leverage? 2. Using the degree of operating leverage, estimate the impact on net operating income of a 24% increase in unit sales. 3. Construct a new contribution format income statement for the company assuming a 24% increase in unit sales. Print References Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Construct a new contribution format income statement for the company assuming a 24% increase in unit sales. Engberg Company Contribution Income Statement Amount Percent of Sales Sales $ 280,000 % Variable expenses % Contribution margin 280,000 0% Fred expenses Net operating income $ 280,000