Assume that Will's marginal tax rate is $40$ percent and his tax rate on dividends is $15$ percent. If a dividend$-$paying stock $($with no growth potential$)$ pays a dividend yield of $9\mathrm{.}6$ percent, what interest rate must the corporate bond offer for Will to be indifferent between the two investments from a cash$-$flow perspective?

Multiple Choice

$15\mathrm{.}84$ percent

$15\mathrm{.}08$ percent

$13\mathrm{.}60$ percent

$10\mathrm{.}88$ percent

None of the choices are correct.