I have no idea how to do this. Can you please help?

.RA.. Part Six DNEY APPLY THE CONCEPTS: Internal rate of return The Underwood purchasing department has made revisions to their costs and annual cash flows for Project A and Project B, as outlined below. Project A Project B Project A's revised investment is $252,000. The Project B's revised investment is $136,200. project's life and cash flow have changed to 6 The project's life and cash flow have changed years and $54,500, respectively, while expenses to 5 years and $90,000 while expenses have been eliminated. reduced slightly to $55,000. Compute the internal rate of return factor for Project A and Project B and then identify each project's corresponding percentage from the PV ordinary annuity table. Note: Enter the IRR factor, to 5 decimal places. Project A: The calculated IRR factor is and this value corresponds to which percentage in the present value of ordinary annuity table? Project B: The calculated IRR factor is and this value corresponds to which percentage in the present value of ordinary annuity table