Engberg Company installs lawn sod in home yards. The company's most recent monthly contribution format ncome statement follows: Percent of Sales 100% 40% Amount $146,000 58,400 Sales Variable expenses Contribution margin Fixed expenses 87,600 21,000 60% Net operating income 66,600 Required: 1. Compute the company's degree of operating leverage. (Round your answer to 2 decimal places.) Degree of operating leverage 2. Using the degree of operating leverage, estimate the impact on net operating income of 27% increase Round your intermediate calculations to 2 decimal places. Round your prcentage answer to 2 decimal places (i.e.1234 should be entered as 12.34).) Net operating income by