Sales Variable expenses Contribution margin Yixed expenses Net operating income Amount $ 141,000 56,400 84,600 19,000 $ 65,600 Percent of Salou 1000 408 600 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 21% Increase in unit sales, 3. Construct a new contribution format income statement for the company assuming a 21% increase in unit 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 21% increase in unit sales Engberg Company Contribution Income Statement Amount Percent of Sales * 0 Administrative expenses Contribution margin Administrative expenses Net operating income 0 $