A.60%,70% B.70%,80% C.80%,90% D.90%,100%
A.發(fā)貨后;合同 B.發(fā)貨前;單據(jù) C.簽訂合同后;合同 D.發(fā)貨后;單據(jù)
A.0.5 B.0.6 C.0.8 D.1