Engberg Company installs lawn sod in home yards. The company's most recent monthly contribution format income statement follows: Sales Variable expenses Contribution margin Fixed expenses Net operating income Required: 1. Percent of Amount Sales $ 94,000 100% 37,600 40 56,400 60% 43,240 $ 13,160 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 7% increase in unit sales. 3. Construct a new contribution format income statement for the company assuming a 7% increase in unit sales. Complete this question by entering your answers in the tabs below. nces Required 1 Required 2 Required 3 Construct a new contribution format income statement for the company assuming a 7% increase in unit sales. Engberg Company Contribution Income Statement Amount Percent of Sales % % 0 0% $ 0