Engberg Company installs lawn sod in home yards. The company's most recent monthly contribution format income statement foliows: 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 8 increase in unit sales. 3. Construct a new contribution format income statement for the company assuming a 85 increose in unit sales. Complete this question by entering your answers in the tabs below. What is the company's degree of operating leverage? (Round your answer to 2 decimat placet.)