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? CM ratio 2. Calculate the break-even level of sales in dollar. Break-even level of sales in dollars 3. Estimate the change in the company's operating income if it increased its total sales by $20,000. Original New Operating income Required Information The following information applies to the questions displayed below! Oslo Company prepared the following contribution format income statement based on a sales volume of 1,000 units (the relevant range of production is 500 units to 1,500 units): $ Sales Variable expenses 20, 12.00 Contribution margin Fixed expenses 6.00 Net operating income $ 2.000 11-0. What is the margin of safety in dollars Margin of safety 11-b. What is the margin of safety percentage? Margin of safety