Assume you decide to invest in a new point-of-sale system. You expect the new system to provide cash flows of $9,200, $11,200, $13,200, and $15,200, at the end of each of the next four years respectively, through a reduction in labor costs. At the end of the four years, you will receive a salvage value of $21,500 when you sell the system. Assuming the discount rate is 12.9000%, and the cost is $51,000, what is the NPV of the project, and should you invest in it? Please choose the correct answer from the available options. NPV: (Click to select) Should you invest? (Click to select)