An investment Charlie is contemplating the purchase of new larger van in which he can travel further around Tasmania for catering purposes. He estimates the following information for the potential purchase. Machine Original outlay for purchase of the van 60 000 (beginning of Year 1) Expected net cash inflow Year 1 12 000 Year 2 13 000 Year 3 14 000 Year 4 15 000 Estimate residual value 7 000 Charlie thinks the cost of capital to be 7% and uses straight-line depreciation. He has sufficient funds to meet all capital expenditure requirements.a. Calculate the net present value for the investment and state (with a justification of your answer) whether he should purchase this van