问题如下：
Which of the following is least correct regarding the static trade-off theory?
选项：
A. Company has the optimal proportion of debt.
B. The use of debt should be as low as possible because of the costs of financial distress.
C. Managers can change the value of the company by changing the capital structure.
解释：
B is correct.
考点：Static Trade-Off Theory
解析：静态权衡理论(Static Trade-Off Theory)认为企业在考虑负债带来节税利益的同时，也要考虑负债带来的财务困境成本。当负债的边际避税收益和负债的边际破产成本相等时，资本结构达到最优，企业的价值达到最大。
选项C为什么对呢？谢谢
