The spreadsheet fragment below shows a net present value and internal rate of return calculation for a project:

Use Data Table to do a sensitivity analysis on the NPV of the project, varying the discount rates from $0\%,3\%,6\%,$dots,$21\%$ and varying the growth rates from $0\%,3\%,$dots,$12\%.$ I need help with the NPV$,$ I am not sure what to do here. Please advise.