Net Present Value Method, Internal Rate of Return Method, and Analysis The management of Advanced Alternative Power Inc. is considering two capital investment projects. The estimated net cash flows from each project are as follows: Year Wind Turbines Biofuel Equipment 1 $220,000 $400,000 2 220,000 400,000 3 220,000 400,000 4 220,000 400,000 Present Value of an Annuity of $1 at Compound Interest Year 6% 10% 12% 15% 20% 1 0.943 0.909 0.893 0.870 0.833 2 1.833 1.736 1.690 1.626 1.528 3 2.673 2