family corporation has a preferred stock issue that trades at $$50\mathrm{.}00$ per share and that pays a dividend rate of $$4\mathrm{.}00$ per share. in this interest rate environment, it can obtain debt financing at $12$ percent and can offer common shares at $$80\mathrm{.}00$ per share. It has a marginal income tax rate of $25$ percent. The yield on US