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

	River Division			Stream Division
Sales revenue	$	1,212,000		$	1,807,000
Cost of goods sold and operating expenses		894,000			1,292,000
Net operating income	$	318,000		$	515,000
Average invested assets	$	1,170,000		$	1,400,000

The companys hurdle rate is 8.01 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%.)) 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 8 percent. b. Operating income decreases by 9 percent. c. The company invests $245,000 in each division, an amount that generates $118,000 additional income per division. d. Coolbrook changes its hurdle rate to 6.01 percent.