MNO company is evaluating a proposal for purchase of equipment which will cost $180,000. The cash inflows from the use of equipment is given below: Year Cash flow 1 $60,000 2 $40,000 3 $70,000 4 $125,000 5 $35,000 Payback period for the proposal is: 3 years 2 years 4 years 3.08 years ao os