3 Exercise 6-4 Computing and Using the CM Ratio [LO6-3] 0.62 points ellook Hint Last month when Holiday Creations, Inc., sold 44,000 units, total sales were $289,000, total variable expenses were $228,310, and fixed expenses were $36,900. 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 total sales by $2,3007 (Do not round intermediate calculations.) Print 1. Contribution margin ratio 2. Estimated change in net operating income References