Can you help me the question?

1d) Rox Ltd wants to purchase a machine costing $35,000 with a residual value of 7 marks $13,000. The company uses an 8% discount rate. The following cashflows are expected: Year 1: $18,000 Year 2: E23,000 Year 3: E22,000 Calculate the: Payback Period and ii) the Net Present Value Payback Period: (type your answer here) Net Present Value: (type your answer here)