Your firm has a capital structure consisting of 30% debt and 70% common stock. The firm's bonds have three years until maturity, a $1,000 par value, and pay interest semiannually. The bonds have a 6% coupon rate and are currently trading at $1,079 per bond. The firm is in the 30% tax bracket. The firm's common stock just paid a $1.50 dividend per share and is currently trading at $90. Common stock dividends are expected to grow by 8% indefinitely. What is the firm's weighted average cost of capital