Coolbrook Company has the following information available for the past year: River Division Stream Division Sales revenue Cost of goods sold and operating expenses Net operating income Average invested assets $ 1,210,000 $1,812,000 884,000 1.291.000 1,291,000 $326,000 521,000 $ 1,040,000 $ 1,530,000 The company's hurdle rate is 6.01 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 9 percent. River Division Stream Division ROl Residual Income (Loss)