2. Change all of the numbers in the dala area of your worksheel so that it locks like this 1 Chapter 5: Applying Excel 3 Data 4 Unit sales 5 Seling price per unit 70,000 units 10 per uni S5per uni Vaiahla axpanses per unit 7 Fixed expenses $332 500 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 marg in of safety percentage? C) What is the degree of operating leverage? (Round your answer to 2 decimal places. of 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%. Increase in net Income 4 Confirm your calculations in Requirement 3 above by increasing the unit sales in your worksheet by 20% so that the Data area looks like this Chapter 6: Applying Excel 3 Data 4 Unit seles 5 Seling price per unit 84.000 units 10 per unit S5 per uni Vaiable expenses per unii 7 Fixad expenses S332 50D a) What is net operating Income (Negative amount should be indicated by a minus sign. b) By whal percentage did the net operating income increase