8 Engberg Company installs lawn sod in home yards. The company's most recent monthly contribution format income statement follows: Percent of Amount Sales Sales $ 138,000 100% 55,200 40 Variable expenses Contribution margin 82,800 60% Fixed expenses 16,000 Net operating income. $66,800 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 26% increase in unit sales. 3. Construct a new contribution format income statement for the company assuming a 26% increase in unit sales. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Construct new contribution format income statement for the company assuming a 26% increase in unit sales. Engberg Company Contribution Income Statement Amount Percent of Sales % % 10 points eBook Hint Print References Mc Graw Hill Check my wor