Coolbrook Company has the following information available for the past year: The company's hurdle rate is 8.01 percent. Required: 1. Calculate return on investment (ROI) and residual income for each division for last year. 2. Recalculate ROI and residual income for each division for each independent situation that follows: a. Operating income increases by 9 percent. b. Operating income decreases by 9 percent. c. The company invests $259,000 in each division, an amount that generates $105,000 additional income per division. d. Coolbrook changes its hurdle rate to 6.01 percent. Complete this question by entering your answers in the tabs below. Calculate return on investment (ROI) and residual income for each division for last year. Note: Enter your ROI answers as a percentage rounded to two decimal places, (1.e., 0.1234 should be entered as 12.34%.)