I need help with all three parts.

Exercise 5-9 (Algo) Compute and Use the Degree of Operating Leverage [LO5-8] Engberg Company installs lawn sod in home yards. The company's most recent monthly contribution format income statement follows: 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. What is the company's degree of operating leverage? (Round your answer to 2 decimal places.) Exercise 5-9 (Algo) Compute and Use the Degree of Operating Leverage [LO5-8] Engberg Company installs lawn sod in home yards. The company's most recent monthly contribution format income statement follows 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. 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).) 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. Construct a new contribution format income statement for the company assuming a 12% increase in unit sales