1.债券成本:=(800*10%*(1-33%))/(700*(1-2%))=7.81%2.银行成本:=(200*8%*(1-33%))/(200*(1-1%))=5.41%3.优先股成本:=(200*12.5%)/(200-5)=12.82%4.综合资金成本(加权平均资金成本):800+200+200=1200=(800/1200)*7.81%+(200/1200)*5.41%+(200/1200)*12.82%=8.25%
题目没有借款期限,应该是缺条件