Q2 Computing and using the Contribution Margin Ratio; Computing the Break-Even Point In March, Mitchell Limited had sales of $250,000 (50,000 units), total variable expenses of $190,000, and total fixed expenses of $36,000. Required: 1 What is the company's CM ratio? 2. Using the CM ratio, calculate the break-even level of sales in dollars. 1 Page 3. Estimate the change in the company's operating income if it increased its total sales by $20,000