Last month when Holiday Creations, Inc., sold 43,000 units, total sales were $310,000, total variable expenses were $260,400, and fixed expenses were $38,500 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 $2,000? (Do not round intermediate calculations.) Answer is complete but not entirely correct. 1. Contribution margin ratic 160190 Estimated change in net operating ncome 2. 13,100