[答案]
(1)债券资金成本为:
8%x(1-33%)/1-2%X100%=5.47%
(2)优先股资金成本为:
15%/1-2%x100%=15.31%
(3)普通股资金成本为:
17%/1-2%+1%=18.35%
(4)加权平均资金成本为:
200/500x5.47%+200/500x15.31%+100/500x18.35%=11.98%