What are the arithmetic and geometric average returns $($a nswer in that order$)$ for a stock with annual returns of $4$ percent, $9$ percent, $6$ percent, and $18$ percent?

$5\mathrm{.}89\%$; $6\mathrm{.}25\%$

$6\mathrm{.}25\%$; $5\mathrm{.}89\%$

$6\mathrm{.}25\%$; $8\mathrm{.}33\%$

$8\mathrm{.}33\%$; $5\mathrm{.}89\%$

$8\mathrm{.}33\%$; $8\mathrm{.}33\%$