Cullumber Inc's common shares currently sell for $40 each. The firm's management believes that its shares should really sell for $54 each. If the firm just paid an annual dividend of $2 per share and management expects those dividends to increase by 8 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 Intermedlate calculations and linai answer to 2 decimal places, e.g. 15.25\%) Cost of common equity (as per firm's belief) %