I need you to solve these problems with using excel and upload it as excel file

4. Assume that you are going to select one of the two projects and applied different selection methods. For each method, explain which project is preferable? 5. In a project, an initial investment of $8,300 equipment is expected to generate net cash inflow of $3,400,$4,000,$5,800 and $2,050 at the end of first, second, third and fourth year respectively. At the end of the fourth year, equipment would be sold for $900. Calculate the net present value of the investment if the discount rate is 18% and explain if the project is acceptable