Return on Investment and Residual Income The Emergency Medical Services Company has two divisions that operate independently of one another. The financial data for the year 20x5 reported the following results: North South $3,000,000 $2,500,000 Operating income 750,000 550,000 Taxable income 650,000 375,000 Investment 5,000,000 4,400,000 Sales The company's desired rate of return is 15%. Income is defined as operating income. a. What are the respective return-on-investment ratios for the North and South divisions? Round ROI to the nearest whole percentage. ROI North 096 South 096 b. What are the respective residual incomes of the North and South divisions? Use a negative sign with your answers, if appropriate. Residual Income North $ South $ c. Which division has the better return on investment and which division has the better residual income figure? Return on investment Residual income