A bond issued by the state of Alabama is priced to yield $7\mathrm{.}15\%.$ If you are in the $20\%$ tax bracket, this bond would provide you with an equivalent taxable yield of $\_\_\_\_\_\_\_\_\_\_$blank.

Group of answer choices

$5\mathrm{.}72\%$

$8\mathrm{.}15\%$

$8\mathrm{.}94\%$

none of these options