Help 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 Amount $ 148,000 59, 200 88,800 18,000 $ 70,800 Percent of Sales 1099 404 60% 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 11% increase in unit sales. 3. Construct a new contribution format income statement for the company assuming a 11% increase in unit sales. Complete this question by entering your answers in the tabs below nces Required 1 Required 2 Required 3 What is the company's degree of operating leverage? (Round your answer to 2 decimat places.) Degree of operating leverage Required 2) pally suegree of operating leverage? 2. Using the degree of operating leverage, estimate the impact on net operating income of a 11% increase in unit sa 3. Construct a new contribution format income statement for the company assuming a 11% increase in unit sales. 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 11% increase in unit sales. Engberg Company Contribution Income Statement Amount Percent of Sales % % %