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 Percent of Amount $ 96,000 Sales 100% 38,400 40% 57,600 60% 45,120 $ 12,480 Net operating income 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 6% increase in unit sales. 3. Construct a new contribution format income statement for the company assuming a 6% increase in unit 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? Note: Round your answer to 2 decimal places. Degree of operating leverage < Required 1 Required 2 >