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 $ 135,000 54,000 81,000 25,000 $ 56,000 Percent of Sales 100% 404 604 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 11% increase in sales. 3. Construct a new contribution format income statement for the company assuming a 11% increase in sales. Required 1 Required 2 Required 3 What is the company's degree of operatin Degree of operating leverage Required 1 Required 2 Required 3 Required 3 Using the degree of operating leverage, estimate the impact on net operating incom intermediate calculations to 2 decimal places. Round your percentage answer to 2 d as 12.34).) Net operating income by % Required 1 Required 2 Required 3 Construct a new contribution format income statement for the company assuming a 11% increase in sales. Engborg Company Contribution Income Statement Amount Percent of Sales % % %