A.10% B.20% C.30% D.50%
A.18% B.20% C.25% D.30%
A.450 B.525 C.950 D.1200
A.1000 B.1250 C.1750 D.3500
A.按季度征收 B.税率全国统一 C.均按1.2%的税率征收 D.均按12%的税率征收