The Emergency Medical Senvices Company has two divisions that operate independently of one another. The financial data for the year 205 reported the following resulte: The companys desired rate of return is 10%. Income is defined as operating income. a. What are the respective recurn-on-investment ratios for the North and South divisions? Round hol to the nearest whole percentage. b. What are the respective residual incomes of the North and South divisions? c. Which division has the better refurn on investment and which divsion has the better residual income figure? Return on investment Residuat income