A.12.53% B.15.21% C.17.50% D.18.75% E.以上各項均不準(zhǔn)確
A.12.0% B.12.5% C.13.0% D.15.5% E.以上各項均不準(zhǔn)確
A.3.59% B.4.00% C.5.23% D.8.46% E.以上各項均不準(zhǔn)確