Last month when Holiday Creations, Inc., sold 44,000 units, total sales were $313,000, total variable expenses were $256,660, and fixed expenses were $39,100. Required: 1. What is the company's contribution margin (CM) ratio? Contribution margin ratio % 2. Estimate the change in the company's net operating income if it were to increase its total sales by $2,400 Estimated change in net operating income