15-30 At Miami Products, four project proposals (three with mutually exclusive alternatives) are being considered. All the alternatives have a 10-year useful life and no salvage value. . Uniform Annual Benefits (thousands) Cost (thousands) Rate of Return Project Proposal Project 1 Alt. A Alt. B $25 50 10 $4.61 9.96 2.39 13% 15 Alt. C 20 16 20 35 4.14 6.71 14 Project 2 Alt. A Alt. B Project 3 Alt. A Alt. B Project 4 18 25 10 17 5.56 2.15 1.70 11 10 (a) Use rate of return methods to determine which set of projects should be undertaken if the capital budget is limited to about $100,000. (b) For a budget of about $100,000, what inter- est rate should be used in rationing capital by present worth methods? (Limit your answer to a value for which there is a compound interest table available in Appendix C). (C) Using the interest rate determined in part (b), rank-order the eight different investment oppor- tunities by means of the present worth method. (d) For a budget of about $100,000 and the ranking in part (C), which of the investment opportunities should be selected