2. Change all of the numbers in the data area of your worksheet so that it looks like this Chapter 5: Applying Excel 3 Data 4 Unit sales 5 Selling price per unit 6 Variable expenses per unit 7 Fixed expenses 50,000 units $20 per unit $12 per unit $320,000 If your formulas are correct, you should get the correct answers to the following questions (a) What is the break-even in dollar sales? reak-even in les (b) What is the margin of safety percentage? Margin of safety rcentage (c) What is the degree of operating leverage? (Round your answer to 2 decimal places.) Degree of operating leverage