Please show the calculation and provide the asnwer ASAP.

Three mutually exclusive alternatives are being considered as welding tools at a job shop. The estimated cash flows for each alternative are given below: Initial investment; $ Annual Revenue; $/yr Annual Expense; $/yr Salvage value; $ Useful life; years $20,000 $6,000 $1,000 $1,000 6 $15,000 $5,500 $2,000 $600 12 c $13,000 $5,000 $3,500 $500 12 If the MARR is 12%, which of these alternatives will you recommend for purchase using the Internal Rate of Return (ROR) analysis? (Note: there is no need to calculate the exact ROR value of your analyzed alternatives.)