What is the taxable equivalent yield on a municipal bond with a yield to maturity of $4\mathrm{.}5$ percent for an investor in the $39$ percent marginal tax bracket?

Multiple Choice

$1\mathrm{.}76$ percent

$4\mathrm{.}50$ percent

$7\mathrm{.}38$ percent

$11\mathrm{.}54$ percent