The South Division of Martinez Company reported the following data for the current year, Top management is unhappy with the imvestment center's return on investment (ROl). It asks the manager of the South Division to submit plans to improve ROI in the next year. The manager belicves it is feasible to consider the following independent courses of action. 1. Increase sales by $300,000 with no change in the contribution margin percentage. 2. Reduce variable costs by $155.000. 3. Reduce average operating assets by 3000 in (a) Compute the return on irvestment (ROI) for the current year, (Round ROI to 2 decimal places, es. 1.57% )