Problem 10.26 ROI, Residual Income Raddington Industries produces tool and die machinery for manufacturers. The company expanded vertically in 2014 by acquiring one of its suppliers of alloy steel plates, Keimer Steel Company. To manage the two separate businesses, the operations of Keimer are reported separately as an investment center. Raddington monitors its divisions on the basis of both unit contribution and return on average investment (ROI), with investment defined as average operating assets employed. Management bonuses are determined on ROI. All investments in operating assets are expected to earn a minimum return of 13 percent before income taxes. Keimer's cost of goods sold is considered to be entirely variable, while the division's administrative expenses are not dependent on volume. Selling expenses are a mixed cost with 40 percent attributed to sales volume. Keimer contemplated a capital acquisition with an estimated ROI of 14.5 percent; however, division management decided against the investment because it believed that the investment would decrease Keimer's overall ROI. The 2015 operating statement for Keimer follows. The division's operating assets employed were $12,600,000 at November 30, 2015, a 5 percent increase over the 2014 year-end balance. Required: 1. Calculate the unit contribution for Keimer Steel Company if 1,187,000 units were produced and sold during the year ended November 30, 2015. Round your answer to the nearest cent. $ per unit 2. Calculate the following performance measures for 2015 for Keimer Steel Company: a. Pretax return on average investment in operating assets employed (ROI). % b. Residual income calculated on the basis of average operating assets employed. $ 3. Explain why the management of Keimer Steel Company would have been more likely to accept the contemplated capital acquisition if residual income rather than ROI were used as a performance measure. 4. Keimer Steel Company is a separate investment center within Raddington Industries. Identify several items that Keimer should control if it is to be evaluated fairly by either the ROI or residual income performance measures. (CMA adapted)