DIY has 216,524 shares of common stock outstanding at a market price of $35.8 a share. It just paid an annual dividend of $1.559 per share. The dividend growth rate is 4.3%. It also has 5,948 bonds outstanding with a face value of $1,000 per bond. The bonds carry a 7% coupon, pay interest semiannually, and mature in 6 years. The bonds are selling at 98.8% of face value. The company's tax rate is 35%. What is DIY's weighted average cost of capital