A.1434.29 B.1248.64 C.1324.04 D.1655.05
A.83.33 B.87.01 C.126.16 D.280.38
A.普通年金終值系數×普通年金現值系數=1 B.普通年金終值系數×償債基金系數=1 C.普通年金終值系數×投資回收系數=1 D.普通年金終值系數×預付年金現值系數=1