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

Coolbrook Company has the following information available for the past year:The companys hurdle rate is 8.01 percent.Required:1. Calculate return on investment (ROI) and residual income for each division for last year. (Do not roundyour intermediate calculations. Round ROI answers to 2 decimal places.)2. Recalculate ROI and residual income for each division for each independent situation that follows:a. Operating income increases by 8 percent. (Do not round your intermediate calculations. RoundROI answers to 2 decimal places.)b. Operating income decreases by 10 percent. (Do not round your intermediate calculations. RoundROI answers to 2 decimal places.)c. The company invests $243,000 in each division, an amount that generates $119,000 additional incomeper division. (Do not round your intermediate calculations. Round ROI answers to 2 decimalplaces.)d. Coolbrook changes its hurdle rate to 6.01 percent. (Do not round your intermediate calculations.Round ROI answers to 2 decimal places.)