Engberg Company Installs lawn sod in home yards. The company's most recent monthly contribution format income statement Percent of Sales 100x 48% 60% Amount $ 132,000 52,800 79,200 18,000 $ 61,200 Sales Variable expenses Contribution margin Fixed expenses Net operating income Required: 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 23% increase in unit sales. 3. Construct a new contribution format income statement for the company assuming a 23% increase in unit sales nt Complete this question by entering your answers in the tabs below. ances Required 1 Required 2 Required 3 Construct a new contribution format income statement for the company assuming a 23% increase in unit sales. Engberg Company Contribution Income Statement Amount Percent of Sales Sales Vanable expenses Contribution margin expenses 0 D BB Nav