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

	River Division			Stream Division
Sales revenue	$	1,217,000		$	1,809,000
Cost of goods sold and operating expenses		888,000			1,289,000
Net operating income	$	329,000		$	520,000
Average invested assets	$	1,070,000		$	1,410,000
The companys hurdle rate is 7.76 percent. 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%.)) 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 10 percent. b. Operating income decreases by 9 percent c. The company invests $247,000 in each division, an amount that generates $103,000 additional income per division. d. Coolbrook changes its hurdle rate to 5.76 percent.