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 Net operating income Amount $ 134,000 53,600 80,400 18,000 $ 62,400 Porcent of Salou 1001 401 601 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 26% increase in sales. 3. Construct a new contribution format income statement for the company assuming a 26% increase in sales. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Construct a new contribution format income statement for the company assuming a 26% increase in sales Percent of Sales Engberg Company Contribution Income Statement Amount Sales Variable expenses Contribution margin 0 ed expenses Net operating income 0 0 %