Duke Energy has been paying dividends steadily for 20 years. During that time, dividends have grown at a compound annual rate of 3%. If Duke Energy's current stock price is $85 and the firm plans to pay a dividend of $6.60 next year, what is the required return on Duke's common stock? The required return on Duke's common stock is %. (Round to two decimal places.) Oxy Corporation uses debt, preferred stock, and common stock to raise capital. The firm's capital structure targets the following proportions: debt, 46%; preferred stock, 11%; and common stock, 43%. If the cost of debt is 5.2%, preferred stock costs 7.7%, and common stock costs 11.2%, what is Oxy's weighted average cost of capital (WACC)? Oxy's weighted average cost of capital (WACC) is %. (Round to two decimal places.)