你好 甲方案：债券资金成本率=200*0.12*0.75/200*0.98=0.092  普通股资金成本率=1*1.05/10+0.05=0.155 甲方案的资金成本=0.5*0.092+0.5*0.155=0.046+0.0775=0.1235 乙方案：银行借款资金成本率=150*0.09*0.75/150=0.0675 乙方案的资金成本=0.375*0.0675+0.625*0.155=0.025+0.78=0.805 选乙方案