Check my work Exercise 5-9 Compute and Use the Degree of Operating Leverage [LO5-8] Engberg Company installs lawn sod in home yards. The company's most recent monthly contribution format income statement follows Percen AmountSales $ 127,080 50 800 76, 280 20,800 s 56,208 10e% 480 sales Variable expenses Contribution margin Fixed expenses Net operating income Gens 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 18% increase in sales. 3, construct a new contribution format income statement for the company assuming a 18% increase in sales