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DIY has 201,989 shares of common stock outstanding at a market price of $35.7 a share. It just paid an annual dividend of $1.522 per share. The dividend growth rate is 3.7%. It also has 5,732 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 40%. What is DIY's weighted average cost of capital?