please in excel format I need the formulas

cant find how to do or what formula to use for the empty yellow ones

C28 16 Company discount rate 18% 17 1. Compute the annual net cash inflow from the project. $630,000 2. Complete the table to compute the net present value of the investment. \begin{tabular}{|l|l} \hline 21 & \\ \hline 22 & \\ 23 & \\ \hline 24 & Initial investment \\ \hline 25 & Annual cost savings \\ 26 & Salvage value of the new machine \\ \hline 27 & Total cash flows \end{tabular} 27 Total cash flows 28 Discount factor 29 Present value of the cash flows 30 Net present value 31 32. Use Excel's PV function to compute the present value of the future cash flows 33 Deduct the cost of the investment Net present value 32 Use Excel's PV function to compute the present value of the future cash flows 33 Deduct the cost of the investment 34 Net present value 3. Use Excel's RATE function to compute the project's internal rate of return 4. Compute the project's payback period. years 5. Compute the project's simple rate of return