i need help with qs 3. the answer 4 is incorrect

Chapter 5: Applying Excel (Algo) The Chapter 5 Form worksheet is to be used to create your own worksheet version of t text. Chapter 5: 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: (c) What is the degree of operating leverage? (Round your answer to 2 decimal places.) 3. Using the degree of operating leverage and wahout changing anything in your worksheet, calculate the percentage change in net operating income if unit soles increase by 20%