$44$ Multiple Choice $1\mathrm{.}33$ points

In order for you to be indifferent between the after$-$tax returns on a corporate bond paying $9\%$ and a tax$-$exempt municipal bond paying $7\%,$ what would your tax bracket need to be$?$

$22\mathrm{.}2\%$

$27\%$

Cannot be determined from the information given.

$17\mathrm{.}6\%$

$19\mathrm{.}8\%$