need explanation and answer

Pharoah Company is considering three long-term capital investment proposals. Each investment has a useful life of 5 years. Relevant data on each project are as follows. Depreciation is computed by the straight-line method with no salvage value. The company's cost of capital is 15%. (Assume that cash flows occur evenly throughout the year.) Compute the net present value for each project. (Round answers to 0 decimal places, e.g. 125 . If the net present value is negative, use either a negative sign preceding the number eg -45 or parentheses eg (45). For calculation purposes, use 5 decimal places as displayed in the factor table provided.)