2. Change all of the numbers in the data area of your worksheet so that it looks like this: A B C 1 Chapter 5: Applying Excel 2 3 Data 4 Unit sales 80,000 units 5 Selling price per unit $ 40 per unit 6 Variable expenses per unit $ 28 per unit 7 Fixed expenses $ 864,000 (a) What is the break-even in dollar sales? Break-even in dollar sales $ 72,000 (b) What is the margin of safety percentage? Margin of safety percentage 10% rect answers to the following qu (c) What is the degree of operating leverage? (Round your answer to 2 decimal places.) Degree of operating leverage 4.00 3. Using the degree of operating leverage and without changing anything in your worksheet, calculate the percentage change in net operating income if unit sales increase by 20% Percentage incase in net operating income 80%