one < AA Chapter 5 - Concepts Overview and Exercises 10 2 points eBook ezto.mheducation.com Seved Help Save & Exit Submit Check my work Exercise 5-4 (Algo) Computing and Using the CM Ratio [LO5-3] Last month when Holiday Creations, Incorporated, sold 43,000 units, total sales were $172,000, total variable expenses were $141,040, and fixed expenses were $36,800. Required: 1. What is the company's contribution margin (CM) ratio? 2. What is the estimated change in the company's net operating income if it can increase sales volume by 250 units and total sales by $1,000? (Do not round intermediate calculations.) Hint 1. Contribution margin ratio Print References 2. Estimated change in net operating income % A