Guenther Corporation uses the return on investment (ROI) measure to evaluate its managers. A summary of the performance of two divisions is given below Average operating assets Net income Division ADivision B $140,000 120,000 24,000 29,400 The minimum required return on operating assets for Guenther Corporation is 19%. Required: 1-a. Compute the return on investment of Division A and Division B. Division A Division B Return on investment 1-b.According to Guenther's senior management, which division is the better performer? Division A DivisionB 2-a. Compute the residual income of Division A and Division B. Division A DivisionB Residual income