(WAC to each division, calculations to comment on the relative performance of each division. 22-23 ROI, RI, measurement of assets. Bailey Corporation recently announced a bonus plan to be awarded to the manager of the most profitable division. The three division managers are to choose whether ROI or RI will be used to measure profitability. In addition, they must decide whether invest- ment will be measured using gross book value or net book value of assets. Bailey defines income as operating income and investment as total assets. The following information is available for the year just ended: Rar val Division Radnor 10 Easttown Marion Gross Book Value of Assets Accumulated $1,200,000 Depreciation $645,000 Operating Income $142,050 1,140,000 615,000 137,550 750,000 420,000 92,100 Bailey uses a required rate of return of 10% on investment to calculate RI. Required Each division manager has selected a method of bonus calculation that ranks his or her division number one. Identify the method for calculating profitability that each manager selected, supporting your answer with appropriate calculations. Comment on the strengths and weaknesses of the methods chosen by each manager.