$-40$ s A taxable bond has a coupon rate of $5\mathrm{.}23$ percent and a YTM of $5\mathrm{.}49$ percent. If an investor has a marginal tax rate of $35$ percent, what is the equivalent aftertax yield? Multiple Choice O $8,45\%8\mathrm{.}05\%3\mathrm{.}40\%3\mathrm{.}57\%5\mathrm{.}92\%$