Please answer all the questions. Thanks!

Requirement 2: Revise the data in your worksheet as follows: B 1 Chapter 11: Applying Excel 2 3 4 4 un Data Sales Net operating income 6 Average operating assets 7 Minumum required rate of return $ 90,000,000 $ 8,100,000 $ 18,000,000 21% If your formulas are correct, you should get the correct answers to the following questions. a. What is the ROI? ROI % b. What is the residual income? (Negative amount should be indicated by a minus sign.) Residual income