A.22% B.10% C.16% D.18.5%
A.60000 B.80000 C.55482 D.83222.37
A.8.29% B.9.7% C.7.73% D.9.97%
A.100 B.375 C.500 D.250
A.净现值 B.内部收益率 C.会计收益率 D.投资回收期