A.17.531 B.15.937 C.14.579 D.12.579
A.8706.24 B.6697.11 C.8036.53 D.9132.42
A.預(yù)付年金現(xiàn)值系數(shù) B.后付年金現(xiàn)值系數(shù) C.即付年金終值系數(shù) D.遞延年金終值系數(shù)