Elgin Restaurant Supplies is analyzing the purchase of manulacturing machine that will cost $28,500. The anciual cash inslows are as follows Use Anberidx D a. Determine the IRR using interpolation. (Do not round PV factor. Pound other intermedinte calculatione to the nearest whole dollor. Round the finel enswer to 2 decirnal plocen.) IRR b. With a cost of capital of 14 percent, shouid the machine be purchased? a. Determine the IRR using interpolation. (Do not round PV foctor. Round other intermediate colculations to the neorest whole dollar. Round the final answer to 2 decimal places.) IRR b. With a cost of capital of 14 percent, should the machine be purchased? Yes No c. With information from part b, compute the Profitability index. (Do not round PV factor. Round other intermediote calculations to the neorest whole dollor. Round the final answer to 3 decimal places.) Profitability Index