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A&B Enterprises is trying to select the best investment from among four alternatives. Each alternative involves an initial outlay of $100,000. Their cash flows follow: Cash Flo Year 2 4 S10,000 $50,000 $25,000 20,00040,00025,000 30,000 30,000 25,000 45,000 40,000 50,000 0 25,000 55,000 0 25,00060,000 Evaluate and rank each alternative based on a) payback period, b) net present value (use a 1 0% discount rate)