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 $ 129,000 51,600 77,400 25,000 $ 52,400 Percent of Sales 1008 408 608 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 27% increase in sales. 3. Construct a new contribution format income statement for the company assuming a 27% increase in 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 27% Increase in sales. Engberg Company Contribution Income Statement Amount Percent of Sales % % 0 % 0 $ 0