In 2013, $9,000 is invested in a business project. Assume a discount rate of 10 percent per year. Assume all cash flows occur on Dec. 31 of the year listed. The profit stream from the project is as follows: a) Draw the cash flow diagram. b) Determine the discounted payback period. c) Determine the Net Present Value for 2013. d) Instead of using a discount rate of 10%, determine the IRR for the project, (attach a copy of the EXCEL spreadsheet you used)