<p>
(1)K=<img src="https://assets.asklib.com/images/image2/2018072210431456024.jpg">=6.9%,则10年期债券资本成本是6.9%</p>
<p>
(2)K=<img src="https://assets.asklib.com/images/image2/2018072210435858001.jpg">=14.37%,则普通股的资本成本是14.37%</p>
<p>
(3)K=<img src="https://assets.asklib.com/images/image2/2018072210442522931.jpg">=8.77%,则优先股的资本成本是8.77%</p>