Check my work Last month when Holiday Creations, Inc., sold 42,000 units, total sales were $306,000, total variable expenses were $250,920, and fixed expenses were $36,900. points 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 $2,900? (Do not round intermediate calculations.) eBook Hint This is a numeric cell, so please enter numbers only. 1. Contribution m . 2. Estimated change in net operating income Print References