Question 7 The section of Waterways that produces controllers for the company provided the following information. Sales for month of February Variable manufacturing cost per unit Sales price per unit Fixed manufacturing overhead cost (per month for controllers) Variable selling and administrative expenses per unit Fixed selling and administrative expenses (per month for controllers) 3,900 $9.00 $43.00 $81,000 $3.90 $13,780 Using this information for the controllers, determine the contribution margin ratio, the degree of operating leverage, the break-even point in dollars, and the margin of safety ratio for Waterways Corporation on this product. Contribution Margin Ratio (Round to o decimal places, e.g. 25%.) 70 % Degree of Operating Leverage (Round to 2 decimal places, e.g. 5.25.) Break-even Point in Dollars Margin of Safety Ratio (Round to 1 decimal place, e.g. 5.2%.)