Engberg Company installs lawn sod in home yards. The company's most recent monthly contribution format income statement follows: Percent of Sales 100% 40% Amount $ 149,000 59,600 89,400 19,000 $ 70,400 Sales Variable expenses Contribution margin Fixed expenses Net operating income 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 19% increase in sales. 3. Construct a new contribution format income statement for the company assuming a 19% 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 2 decimal places.) 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 19% increase in round intermediate calculations. Round your percentage answer to 2 decimal places (i.e 0.1234 should be Net operating income by %