Evaluate the following 7-year project: you invest $1,000 today, Year 1 pays you back $300, Year 2 pays you $400, Year 3 pays you $300. In Year 4 you invest another $500. Year 5 pays you $200, Year 6 pays you $200, and Year 7 pays you $400. Use a discount rate of 7%. What is the NPV of this project? What is the IRR? Would you do the project?  draw a number line of this project.