Hello, can someone please help me. I'm new to accounting and i'm having lots of trouble with these questions and i''m not sure how to solve them. i would really really appreciate your help.

Problem 12-4 Comparing Performance Using ROI (LO2 - CC4, 6) Guenther Corporation uses the return on investment (ROI) measure to evaluate its managers. A summary of the performance of two divisions is given below: Division A Division B Average operating assets $ 170,000 $ 220,000 Net income 27,200 33,000 The minimum required return on operating assets for Guenther Corporation is 14%. 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? O Division A O Division B 2-a. Compute the residual income of Division A and Division B. Division A Division B Residual income2-6 . According to Guenther's senior management , which division is the better performer? @ Division A O Division B 3 . Suppose the manager of Division A were offered a one -year project that would increase his average* operating assets by $130, 000 and increase profit by $ 18, 8.50 .` a . Would the manager accept the project under the current method of performance evaluation ? O Accept O Reject 6 . Using your alternative measure of performance evaluation las in part 2 above ) , do you think the manager should accept the project' ?" O Accept O Reject