Each alternative has a 10 year useful life with no salvage value; MARR = 20%; any excess capital over selected Initial Cost investment can be invested at 20%. Alternative Initial Cost Annual Profit Profit Rate A $100,000 $300,000 $500,000 $30,000 $66,000 $80,000 30% 22% 16% Which alternative should be selected? Use challenger-defender rate of return analysis