The South Division of Blue Spruce Company reported the following data for the current year. Top management is unhappy with the imestment center's return on inves tment (f) On it asks the manager of the 5 outh 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 $300,000 with no change in the contribution margin percentage: 2. Reduce variable costs by $150.000. 3. Reduce average operating assets by 4.00% (a) Compute the return on investment (pO1) for the curren year, (Round ROt to 2 decimal places, e3. 1.57:) Return on investment (b) Using the ROI eqkiation, compute the ROI under each of the propored courset of action. (Round ROI fo 2 decimol ploces, egs 1.57