A.1520B.1040C.1000D.1200
A.2.2B.2C.3D.1
A.收到銷售額當(dāng)天B.貨物發(fā)出當(dāng)天C.取得索取銷售款憑據(jù)的當(dāng)天D.合同約定當(dāng)天