An engineering firm has invested 23,000 pbr for a new product. This investment it will give the firm a return of 28 500 pbr at the end of 3 years. If the interest rate is 4% calculate the net present value of this investment. Cash flow related to investment in the following figure it shows your diagram. Po-23000 Pbr net present value = ? 1-4% F,-28500 Pbr