Coolbrook Company has the following information available for the past year River Division Stream S 1,208,000 1,819,000 Division Sales revenue Cost of goods sold and operating expenses Net operating income Average invested assets 889 000 1.280,000 S 319,000 539,000 S 1,180,000 1,490,000 The company's hurdle rate is 7 76 percent Required 1. Calculate return on investment (ROI) and residual income for each division for last year. (Enter your ROI answers as a percentage rounded to two decimal places. (i.e., 0.1234 should be entered as 12.34%.)) River Division Stream Division ROI Residual Income (Loss) 2. Recalculate ROI and residual income for each division for each independent situation that follows. (Enter your Roi answers as a percentage rounded to two decimal places, (i.e., 0.1234 should be entered as 12.34%.)) a. Operating income increases by 11 percent Division Division ROI Residual Income (Loss)