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 $ 80,000 32,000 48,000 38,000 $ 10,000 Percent of Sales 100% 40% 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 5% increase in sales. 3. Construct a new contribution format income statement for the company assuming a 5% increase in sales. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 What is the company's degree of operating leverage? (Round your answer to 1 decimal place.) Degree of operating leverage Required 1 Required 2 Required 3 Using the degree of operating leverage, estimate the impact on net operating income of a 5% increase in sales. (Do not round intermediate calculations.) Net operating income vby % decreases increases Required 1 Required 2 Required 3 Construct a new contribution format income statement for the company assuming a 5% increase in sales. Engberg Company Contribution Income Statement Amount Percent of Sales % %