Sentinel Industries has manufactured prefabricated houses for over 20 years. The houses are constructed in sections to be assembled on customers' lots. Sentinel expanded into the precut housing market when it acquired Jensen Company, one of its suppliers. In this market, vanous types of lumber are precut into the appropriate lengths, banded into packages, and shipped to customers' lots for assembly. Sentinel designated the Jensen Division as an investment center Sentinel uses returm on investment (ROr) as a performance measure with investment defined as average operating assets. Management bonuses are based in part on ROT. All investments are expected to earn a minimum rate of return of 17.0%. Jensen's ROI has ranged from 20.9% to 23.6% since it was acquired. Jensen had an investment opportunity in 2017 that had an estimated ROI af 19.8%. Jensen management decided against the investment because It believed the Investment would decrease the division's overall ROI. Selected financial information for Jensen are presented below. The division's average operating assets were $12,472,000 for the year 2017 SENTINEL INDUSTRIES Jensen Division Selected Financial Tnformation For the Year Ended December 31, 2017 Sales Contribution margin Controllable margin Calculate the following performance measures for 2017 for the lensen Division. (Round ROI to 1 decimal place, e.g. 1.5.) $26,790,000 9,061,000 2,591,000 (1) Return on investment (Ro) (2) Residual income 470760