Iqaluit Corporation recently announced a bonus plan to be awarded to the vice-president of the most profitable division. The three managers are to choose whether the ROI or residual income (RI) will be used to measure profitability. In addition, they must decide whether investments will be measured using the gross book value (GBV) or net book value (NBV) of assets. Iqaluit defines income as operating income and investments as total assets. The following information is available for the year just ended: Gross Book Value of Assets Accumulated Depreciation Division Operating Income A $720,000 $360,000 $90,000 B 690,000 414,000 77,970 230,000 46,000 46,000 NBV ROI [A] 25.00 % [B] 28.25 % (C) 25.00 % GBV RI [A] [B] [C] $18,000 $8.970 $23,000 GBV RI (A) $18,000 [B] $8,970 [C] $23,000 Iqaluit uses a required rate of return of 10% on investments to calculate Ri. Calculate ROI and RI for all the three divisions by using GBV and NBV (Round ROI to 2 decimal places, eg. 15.25%) RI ROI GBV GBV NBV Division A Division B Division C % I NBV B Division % C Which method for calculating performance did each vice-president use if each one wanted to show that his or her division had the best performance? The vice-president of division A used The vice-president of division B used The vice-president of division Cused