Last month when Holiday Creations, Inc, sold 37,000 units, total sales were $308,000, total variable expenses were $234, 080, and fixed expenses were $35, 800 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 $1,000. Estimated change in net operating income