V.S. Yogurt is considering two possible expansion plans. Proposal A involves opening 10 stores in northern California at a total cost of $3,150,000. Under another strategy, Proposal B, V. S. Yogurt would focus on southern California and open six stores for a total cost of $2,500,000. Selected data regarding the two proposals have been assembled below by the controller of V. S. Yogurt. All revenue and expense estimates other than depreciation will be received or paid in cash. Instructions a. For each proposal, compute the (1) payback period. (2) return on average investment, and (3) net present value, discounted at management's required rate of return of 15 percent. (Round the payback period to the nearest tenth of a year and the return on investment to the nearest tenth of a percent.) Use Exhibits 263 and 264 where necessary. b. On the basis of your analysis in part a. state which proposal you would recommend and explain the reasoning behind your choice