The owner of the company you work for has presented you with data about a potential investment. Machine Original outlay (beginning of Year 1): $220 000 Expected net cash inflow: Year Amount 1 2 3 4 $45 000 $45 000 $55 000 $50 000 Salvage value (expected in year 4) $105 000 The owner of the company estimates the cost of capital to be 7%. The company has enough funds to meet all capital expenditure requirements. Required: Calculate the payback period for the investment. If the owner expects all investments to be paid back' in 4 years, should this machinery be purchased? Please explain your answer (10 marks)