what is the yeild to maturity (YTM) acording to this information?

1) The firm's tax rate is 40 percent. 2) The current price of Ford's 12 percent coupon, semiannual payment, noncallable bonds with 15 years remaining to maturity is $1,153.72. 3) The current price of the firm's 10 percent, $100 par value, quarterly dividend, perpetual preferred stock is $111.10. 4) Ford's common stock is currently selling for $50 per share. Its last dividend (D0) was $4.19, and dividends are expected to grow at a constant rate of 5 percent in the foreseeable future. Ford's beta is 1.2, he yield on T-bonds is 7 percent, and the market risk premium is estimated to be 6 percent. For the bond yield-plus-risk-premium approach, the firm uses a risk premium of 4 percent. 5) Ford's target capital structure is 30 percent debt, 10 percent preferr stock, and 60 percent common equity