A.5%,20 B.3%,30 C.2%,20 D.10%,20
A.5%,10% B.10%,5% C.10%,15% D.10%,20%
A.外币最低,人民币最低 B.外币全额,人民币全额 C.人民币最低、人民币全额 D.外币最低,外币全额