Five mutually exclusive revenue alternatives that have infinite lives are under consideration for increasing productivity in a manufacturing operation. The initial costs and cash flows of each project are shown. If the MARR is 14.9% per year, which alternative should be selected? 5. Alternative Initial cost, S 00 23,000-9,000 -3,000 -16.000 Cash flow, S per 1,000 3,500 1400 2.200 year