Coffer Company is analyzing two potential investments. Cost of machine Net cash flow: Year 1 Year 2 Year 3 Year 4 Project X $ 77,470 Project Y $ 60,000 30,500 2,500 30,500 27,500 30,500 27,500 0 20,000 If the company is using the payback period method, and it requires a payback period of three years or less, which project(s) should be