Problem 5) The cash flows for different alternatives are given in the table below. If MARR is set at 8%, determine which is the best alternative? Data Initial Cost $ Net Benefits/ Year $ ROR Life, Years 9000 528 7% 25 12500 1063 9% 25 7500 510 5% 25 Problem 6) The cash flows for four different alternatives are given in table below. If MARR 10%, which is the best alternative? Data (Do Nothing) Initial cost, $ Net benefits/ year,$ ROR Life, years 5000 1457 14% 9000 2518 13% 7500 2133 12.4% 0 0 0