5) a) Four mutually exclusive alternatives including "Do Nothing" are presented below. Find the best alternative for MARR 7%. NK MJ SJ DJ First cost $43,000 $24,000 $17,000 $0 EUAB 4,150 2,500 1,700 ROR 7.5% 8.3% 6% 0% All alternatives have 20-year useful life with Zero salvage value. (15) b) Write the steps for ROR analysis. (5) 0 5) a) Four mutually exclusive alternatives including "Do Nothing" are presented below. Find the best alternative for MARR 7%. NK MJ SJ DJ First cost $43,000 $24,000 $17,000 $0 EUAB 4,150 2,500 1,700 ROR 7.5% 8.3% 6% 0% All alternatives have 20-year useful life with Zero salvage value. (15) b) Write the steps for ROR analysis. (5) 0