[单选题]

Given the following information on a company's capital structure, what is the company's weighted average cost of capital? The marginal tax rate is 40%.
   Type of capital   Percent of capital structure  Before-tax component cost
    Bonds          40%            7.5%
    Preferred stock      5%            11%
    Common stock      55%            15%

A.10.0%.

B.10.6%.

C.11.8%.

参考答案与解析: