pplease show the excel formula. thank you

Function: NPV; Formula: Add, Subtract; Cell Referencing Using Excel to Determine the Net Present Value Student Work Area Required: Provide input into cells shaded in yellow in this template. Use the NPV function with cell referencing to the Problem area in the input cell. Use a math formula in the field in which the cash flow for the salvage value is expected to occur, and separately, to account for the initial cash flow in the formula after the function has been inputted. Calculate the net present value of this project to the company using Excel's NPV function