· Now we will analyze if that is a good investment or not by using Cost Benefit Analysis and Net Present Value. The Value of Money Today: 15,000. The Present Value (PV) of 25,000 is; PV= 25,000 / (1,10 × 1,10 × 1,10) = 18,783 now (to nearest cent) Net Present Value = 18,783 – 15,000 = 3783. So, if the discount rate is %10, that ...