A project with the following costs are under consideration to determine its profitability. Using the IRR comparison, and an annual MARR of 10% compounded semiannually, determine if the project should be executed. First cost : $45,000 Semiannual operating cost : $10,000 Semiannual income : $20,000 Salvage value : $9,000 Life in years : 4 years a. IRR = 1.69% b. IRR = 6% c. IRR = 3.4% d. IRR = 3%