Luther Industries has a dividend yield of $3\mathrm{.}8\%$ and a cost of equity capital of $10\%.$ Luther Industries' dividends are expected to grow at a constant rate indefinitely. The growth rate of Luther's

dividends is closest to

A$.6\mathrm{.}2\%$

B$.12\mathrm{.}4\%$

C$.5\mathrm{.}6\%$

D$.13\mathrm{.}8\%$