Engberg Company instalis tawn sod in home yards. The company's most recent monthly contribution format income statement follows: 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 as increase in unit sales. 3. Construct a new cothribution format income stotement for the compony assuming a Bs increase in unit sales: Complete this question by entering your answers in the tabs below Construct a new contribution formot income statement for the company assiyning a 85 encrease in unit sales