1a. Compute the net present value for each project. Use a rate of 10% and the present value of an annuity of $1 in the table above. If required, use the minus sign to indicate a negative net present value. If required, round to the nearest whole dollar. Wind Turbines Biofuel Equipment Present value of annual net cash flows 1,394,800 $ 2,916,400 Less amount to be invested 1,256,200 2,381,880 Net present value 138,600 534,520 1b. Compute a present value index for each project. If required, round your answers to two decimal places. Present Value Index Wind Turbines Biofuel Equipment 1.11 1.22 2. Determine the internal rate of return for each project by (a) computing a present value factor for an annuity of $1 and (b) using the present value of an annuity of $ in the table above. If required, round your present value factor answers to three decimal places and internal rate of return to the nearest whole percent. Present value factor for an annuity of $1 Wind Turbines 2.855 Biofuel Equipment 2.589 Internal rate of return 11 X % 22 X %