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A & B Enterprises is trying to select the best investment from among two alternatives. Each alternative involves an initial outlay of $100,000. Their cash flows follow: YEAR . B 0 30,000 30,000 30,000 30,000 30,000 25,000 35,000 45,000 50,000 Evaluate and rank each alternative based on a. payback period b. net present value (use a 10% discount rate) and internal rate of return