Required information [The following information applies to the questions displayed below.] Karlik Enterprises distributes a single product whose selling price is $24 per unit and whose variable expense is $18 per unit. The company's monthly fixed expense is $24,000. 2. Calculate the company's break-even point in unit sales. X Answer is complete but not entirely correct. Unit sales to break even 2,400 units Last month when Holiday Creations, Incorporated, sold 50,000 units, total sales were $200,000, total variable expenses were $120,000, and fixed expenses were $65,000. 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 250 units and total sales by $1,000? 1. Contribution margin ratio 40 % 2. Estimated change in net operating income $ 400