An investment center of Solomon Corporation shows an operating income of $7,590 on total operating assets of $66,000. Required Compute the return on investment. (Round your answer to 2 decimal places. (i.e., 0.2345 should be entered as 23.45).) Return on investment + Exercise 15-14A (Algo) Residual income LO 15-7 Gibson Corporation has a desired rate of return of 7 percent. William Tobin is in charge of one of Gibson's three investment centers. His center controlled operating assets of $2,500,000 that were used to earn $273.000 of operating income. Required Compute Mr. Tobin's residual income Residust income Stuart Cough Drops operates two divisions. The following information pertains to each division for the year. Sales Operating income Average operating assets Company's desired rate of return Division A $216,000 $ 15,100 $ 60,000 14% Division B $83,000 $ 8,500 $37,000 14% Required a. Compute each division's residual income. b. Which division Increased the company's profitability more? Residual Income a. Division A Division B b. The division that increased the company's profitability more is