Check my wo Engberg Company installs lawn sod in home yards. The company's most recent monthly contribution format income statement follows: Sales Variable expenses Contribution margin Yixed expenses Het operating income Anount $ 134,000 53,600 80,400 16,000 $ 64,400 Percent of Sales 1001 400 600 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 13% increase in sales. 3. Construct a new contribution format income statement for the company assuming a 13% increase in sales. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required Construct a new contribution format income statement for the company assuming a 13% increase in sales. Engberg Company Contribution Income Statement Amount Percent of Sales Sales $147.400 100% Variable expenses % Contribution margin 147.400 100 % Fixed expenses Net Operating incomo $147.400