X Company currently buys 8,000 units of a component part each year from a supplier for $7.00 each but is considering making them instead. Variable costs of making would be $5.50 per unit; additional annual fixed costs would be $5,000. Equipment would have to be purchased for $32 000 and will last for 7 years, at which time it will have a disposal value of S5 500 Assuming a discount rate of 5%, what is the net present value of making the part instead of continuing to buy it