MC algo $8-26$ Critical Rax Rate

A municipal bond has a YTM of $5\mathrm{.}07$ percent while the YTM of a comparable taxable bond is $7\mathrm{.}72$ percent. What is the tax rate that will make an investor indifferent between the municipal bond and the taxable bond?

Multiple Choice

$43\mathrm{.}30\%$

$52\mathrm{.}27\%$

$37\mathrm{.}76\%$

$34\mathrm{.}33\%$

$45\mathrm{.}01\%$