问题如下：
Company A intends to finance $50 million for a project. Company A is going to issue debt and stock. The target capital structure is 60% stock and 40% debt. After-tax cost of debt is 5%, cost of equity is 6%. The WACC will be:
选项：
A. 2%
B. 5.6%
C. 6%
解释：
B is correct. wd=0.4; we=0.6； rd(1-t)=5%; re=6% 。WACC= wd rd(1-t)+ we re=5.6%
这道题答案是5.4%吧？
