What is the value$($today$\text{'}$s price$)$ of a preferred stock that pays an annual dividend of $$$$3\mathrm{.}19$ when the required rate of return is $10\mathrm{.}4$percent$?$ What is the value when the required rate of return changes to $6\mathrm{.}4$ percent and $11\mathrm{.}8$percent$?$