The Management of Pharoah Manufacturing Company is evaluating two forklift systems to use in its plant that produces the towers for a windmill power farm. The costs and the cash flows from these systems are shown below. The company uses a 10 percent discount rate for all projects. Calculate net present value (NPV). (Enter negative amounts using negative sign e.g. -45.25. Do not round Discount factors. Round other intermediate calculations and final answers to 0 decimal places, e.g. 1,525.)