$\backslash$table$[[$Year$,\backslash$table$[[$Wind$],[$Turbines$]],\backslash$table$[[$Biofuel$],[$Equipment$]]],[1,$$$320,000,$$$670,00.$

$1$a$.$ Compute the net present value of each project. Use a rate of $10\%$ and the present value of an annuity of $$1$ in the table above.

$1$b$.$ Compute a present value index for each project.

$2.$ Determine the internal rate od return for each probecg by $($a$)$ computing a present value factor for an annuity of $$1$ and $($b$)$ using the present value of an annuity of $$1$ in the table above.

$3.$ The net present value, present value index, and internal rate of return all indicated that the $($blank$)$ is$/$are a better financial opportunity compated to the $($blank$).$ Although both investments meet the minimum return criterion of $10\%.$