There is an available project that requires you to invest 53,000$ today. This project is expected to generate -15,000 in its first year. However, in the following years the project will yield positive cash flows. In the fourth year, the project is expected to generate 32,000. After that, the project will generate 30,000 in both sixth and seventh years. If the avarage return on similar projects is 8%, what is the NPV of this project?