please help with explanation. Thank you!

Coolbrook Company has the following information available for the past year: River Division Sales revenue $ 1.203,000 Cont of goods sold and operating expenses 885,000 Net operating income $ 310,000 Average invented asseta 5 1,160,000 Stron Division $ 1,815,000 1.294,000 5 521,000 $ 1.490.000 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 2. Recalculate ROI and residual income for the division for each Independent situation that follows: a. Operating income increases by 12 percent. b. Operating Income decreases by 12 percent. c. The company invests $248,000 in each division, an amount that generates $110,000 additional income per division. d. Coolbrook changes its hurdle rate to 4.01 percent Complete this question by entering your answers in the tabs below. Reg! Reg 2A Reg 28 Req 20 Reg 20 Recalculate ROI and residual income for each division for the independent situation that follows: Operating income increases by 12 percent. (Enter your ROI answers as a percentage rounded to two decimal places, (1, 0.1234 should be entered as 12.34%). Loss amounts should be indicated with a minus sign.) River Division Stream Division Prey 1 of 3 !!! Next > MacBook Pro e G Search or type URL 4 GD 2 3 X10 6 7 3 9 W E R T Y U 0 S D LL G H J K X V B N M