Chapter 5 Homework 2 222 Bandation.com Last month when Holiday Creations, Incorporated, sold 40.000 units, total sales were $160,000, total variable expenses were $120,000, and fixed expenses were $37,200 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 sales volume by 375 units and total sales by $1,500? (Do not round intermediate calculations.) 1. Contribution margin ro 2. Estimated change in net operating income 25 Help Save & Exy Chack my work