3) A Company has the following investment opportunities: Machine A ($15,000) Machine B ($22,500) Machine C ($37,500) Inflows Inflows Inflows Year 1 $6,000 $12,000 $0 Year 2 9,000 12,000 30,000 Year 3 3,000 10,500 30,000 Year 4 0 10,500 15,000 Year 5 0 0 15,000 Under the payback period and assuming these machines are mutually exclusive, which machine(s) would the company choose?