The Chapter 6 Form worksheet is to be used to create your own worksheet version of the Review Problem example in the text. Chapter 6: Applying Excel: Exercise (Part 2 of 2) (Algo) 2. Change all of the numbers in the data area of your worksheet so that it looks like this: If your formulas are correct, you should get the correct answers to the following questions. (a) What is the break-even in dollar sales? (b) What is the margin of safety percentage? (c) What is the degree of operating leverage? (Round your answer to 2 decimal places.) 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%