please make it easy to understand

Engberg Company installs lawn sod in home yards. The company's most recent monthly contribution format income statement follows: Percent of Sales Amount $ 125,000 Sales 100% Variable expenses 50,000 40% Contribution margin 75,000 60% Fixed expenses 23,000 Net operating income $ 52,000 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 12% increase in unit sales. 3. Construct a new contribution format income statement for the company assuming a 12% increase in unit sales. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 What is the company's degree of operating leverage? (Round your answer to 2 decimal places.) Degree of operating leverage Required 2 > Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Using the degree of operating leverage, estimate the impact on net operating income of a 12% increase in unit sales. (Round your intermediate calculations to 2 decimal places. Round your percentage answer to 2 decimal places (i.e.1234 should be entered as 12.34).) Show less A Net operating income 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 12% increase in unit sales. Engberg Company Contribution Income Statement Amount Percent of Sales % % % Required 2