I need help solving this last part.

Part Five

APPLY THE CONCEPTS:Net present value and Present value index

Underwood Enterprises is looking to invest in Project A or Project B. The data surrounding each project is provided below. Underwood's cost of capital is 10%

Project A

This project requires an initial investment of $172,500. The project will have a life of 3 years. Annual revenues associated with the project will be $130,000andexpenses associated with the project will be $35,000.

Project B

This project requires an initial investment of $132,500. The project will have a life of 5 years. Annual revenues associated with the project will be $111,000andexpenses associated with the project will be $60,000.

Calculate thenet present valueand thepresent value indexfor each project using the present value tables provided below.

Present Value of $1 (a single sum) at Compound Interest.

Present Value of an Annuity of $1 at Compound Interest.

Note:

Use a minus sign to indicate a negative NPV.

If an amount is zero, enter "0".

Enter the present value index to 2 decimals.

Project A Project B

Total present value of net cash flow $ $

Amount to be invested $172,500 $132,500

Net present value $ $

Present value index: $ $

Part Six

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 A's revised investment is $272,600. The project's life and cash flow have changed to 7 years and $56,000, respectively, while expenses have been eliminated.

Project B

Project B's revised investment is $152,400. The project's life and cash flow have changed to 6 years and $90,000 while expenses 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? 10%

Project B: The calculated IRR factor is_______and this value corresponds to which percentage in the present value of ordinary annuity table?10%