Sigma Company has the following capital structure: 45% debt, 15% preferred stock and 40% common stock. Deterrmine the weighted average costs of capital given the follwoing information. Ignore floatation costs. Assume a tax rate of 35%.

- The firm's 10-year 7% annual coupon bond is currently trading at $717.49.

-the firms 10% annual dividend perpetual preferred stock with a par value of $100 is tading at $71.43.

- The common stock is trading at $150. Their next dividend is expected to be $5.00. the growth rate is forcasted at 10%.