、ni1 PVFVnFVFVPVi11i1n 普通年金普通年金iAFAn1i1ii11nAPA思考题思考题l按年复利,每年还按年复利,每年还22.1926l按月复利,每月还按月复利,每月还 124.56380.7113 38.9548PA(3,12%)-PA(10,12%)12PV3%121PA(7,12%)12PV风险市场风险公司风险财务风险经营风险niiiPKK1niiiPKK12%100KV风险风险风险报酬率风险报酬率无风险报酬率无风险报酬率期望报酬率期望报酬率报酬报酬的确定?的确定?NiiiNNpkWkWkWkWK12211)(平均协方差)(平均方差)(平均协方差)(平均方差)NNNNNNkkNkNpNijijii1111(1),cov(1)(1)(212222fmifirrrr