$$A municipal bond has a YTM of $5\mathrm{.}19$ percent while the YTM of a

comparable taxable bond is $7\mathrm{.}78$ percent. What is the tax rate that

will make an investor indifferent between the municipal bond and

the taxable bond?$$Multiple Choice$43\mathrm{.}65\%34\mathrm{.}54\%45\mathrm{.}37\%52\mathrm{.}76\%37\mathrm{.}99\%$