The West Division of Nieto Company reported the following data for the current year. Sales Variable costs Controllable fixed costs Average operating assets $3,037,900 1,896,100 609,520 4,906,300 Top management is unhappy with the investment center's return on investment (ROI). It asks the manager of the West Division to submit plans to improve ROI in the next year. The manager believes it is feasible to consider the following independent courses of action. 1. Increase sales by $319,840 with no change in the contribution margin percentage. 2. Reduce variable costs by $150,870. 3. Reduce average operating assets by 396 Compute the return on investment (ROI) for the current year. (Round Ror to 1 decimal place, eg, 1.5%.) Return on Investment