Rate of Return Analysis Three proposals have passed a preliminary screening to confirm that all are acceptable at a MARR of 13%. Each one has an economic life of 12 years. The cash flows are given in the table. If alternatives are mutually exclusive, which one should be selected? Alternative 1 Alternative 2 Alternative 3 First Cost $5,000 $10,000 $6,500 Annual O&M Costs $3,500 $3,000 $3,200 Salvage Value $500 $700 $900 If alternatives are independent and there is enough capital to fund any choices so long that the return is 15% or greater, which combination of choices should be selected? Rate of Return Analysis Three proposals have passed a preliminary screening to confirm that all are acceptable at a MARR of 13%. Each one has an economic life of 12 years. The cash flows are given in the table. If alternatives are mutually exclusive, which one should be selected? Alternative 1 Alternative 2 Alternative 3 First Cost $5,000 $10,000 $6,500 Annual O&M Costs $3,500 $3,000 $3,200 Salvage Value $500 $700 $900 If alternatives are independent and there is enough capital to fund any choices so long that the return is 15% or greater, which combination of choices should be selected