please add the fully equation

thould be input and displayed as nega (Use cells As to C18 from the given information to complete this question. Negative amounts or amounts to be deducted should be input and displaryed as negative values.) Present value of the cash flows Net preent value Use Excel's PV function to compute the present value of the future cash flows Deduct the cost of the investment 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. 5. Compute the project's simple rate of return