If the outlay is $$100,000$ and the annual after$-$tax cash inflows are $$40,000$ for four years, the IRR is$.21\mathrm{.}86\%$

$29\mathrm{.}64\%$

$22\mathrm{.}12\%$

$22\mathrm{.}18\%$

$23\mathrm{.}10\%.$