Blossom Inc's common shares currently sell for $$30$ each. The firm's management believes that its shares should really sell for $$40$ each. If the firm just paid an annual dividend of $$2$ per share and management expects those dividends to increase by $2$ percent per year forever $($and this is common knowledge to the market$).$ What does management believe is the correct cost of common equity for the firm? $($Round intermediate calculations and final answer to $2$ decimal places, e$.$g$.15\mathrm{.}25\%.)$