Mulroney Corp. is considering two mutually exclusive projects. Both require an initial investment of $10,000 at t = 0. Project X has an expected life of 2 years with after-tax cash inflows of $6,000 and $8,000 at the end of Years 1 and 2, respectively. Project Y has an expected life of 4 years with after-tax cash inflows of $4,000 at the end of each of the next 4 years. Each project has a WACC of 8%. Use the replacement chain approach to determine which project should be chosen. a) Project X b) Project Y