Coolbrook Company has the following information available for the past year:

	River Division		Stream Division
Sales revenue	$	1,200,000	$	1,800,000
Cost of goods sold and operating expenses		900,000		1,300,000
Net operating income	$	300,000	$	500,000
Average invested assets	$	1,200,000	$	1,800,000

The companys hurdle rate is 6 percent. Required: 1. Calculate return on investment (ROI) and residual income for each division for last year. (Do not round your intermediate calculations. Round "ROI" answers to 1 decimal place.) River Division Stream Division ROI __________% ____________% Residual Income $__________ $____________ 2. Recalculate ROI and residual income for each division for each independent situation that follows: a. Operating income increases by 10 percent. (Do not round your intermediate calculations. Round "ROI" answers to 2 decimal places.) River Division Stream Division ROI __________% ____________% Residual Income $__________ $____________ b. Operating income decreases by 10 percent. (Do not round your intermediate calculations. Round "ROI" answers to 1 decimal place.) River Division Stream Division ROI __________% ____________% Residual Income $__________ $____________ c. The company invests $250,000 in each division, an amount that generates $100,000 additional income per division. (Do not round your intermediate calculations. Round "ROI" answers to 2 decimal places.) River Division Stream Division ROI __________% ____________% Residual Income $__________ $____________ d. Coolbrook changes its hurdle rate to 10 percent. (Do not round your intermediate calculations. Round "ROI" answers to 1 decimal places.) River Division Stream Division ROI __________% ____________% Residual Income $__________ $____________