Last month when Holiday Creations, Incorporated, sold 43,000 units, total sales were 5172,000, total variable expenses were $127.280, and fred 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 I can increase sales volume by 500 units and total sales by $2.000? (Do not round Intermediate calculations.) ook Hint 1. Contribution margin ratio 2. Estimated change in net operating income Mence