You make an investment of 6,000 Eur. Your cash flow predicts a benefit of 9,800 Eur after 8 years, and 14,800 Eur at the end of your project lifetime, at 17 years. At that time, the decomissioning costs are estimated at 2,900 Eur.  If we estimate the interest rate at 2.6% and the inflation rate at 2.1%, what is the NPV of your project? Calculate NPV= ?