In March, Mitchell Limited had sales of $409,500 (65,000 units), total variable expenses of $257,985, and total fixed expenses of $77,700. Required: 1. What is the company's CM ratio? CM ratio % 2. Calculate the break-even level of sales in dollars. Break-even level of sales in dollars 3. Estimate the change in the company's operating income if it increased its total sales by $23,310. (Do not round intermediate calculations. Round your answers to 2 decimal places.) Original Operating income New