American Water Works has an issue of preferred stock outstanding with a coupon rate of $5\mathrm{.}00$ percent that sells for $$90$ per share. If the par value is $$100,$ what is the cost of the company's preferred stock?

$5\mathrm{.}56\%$

$5\mathrm{.}05\%$

$4\mathrm{.}36\%$