Wardex Limited is considering an investment in a fixed asset which costs $144,000. The asset is expected to generate cash inflows of $96,000 each year for the next four years. The company intends to sell the asset at the end of year 4 for an estimated residual value of $24,000. The asset will be depreciated straight-line over the next four years. The discount rate for the project is 15%. Calculate the net present value.