Alderaan Incorporated has just paid a dividend of $$4\mathrm{.}41.$ The firm's current price on common stock is $$71\mathrm{.}73.$ Dividends are expected to grow at a $3\%$ constant rate. What is the firm's cost of common equity? Give your answer as a percentage, rounded to two decimal places $($example: $9\mathrm{.}58\%$ as $9\mathrm{.}58)$