28. 下列書信內容屬何種報價？〝We offer valid until July 31 bagged soy bean 20 M/T USD 300 per M/T CIF N.Y.〞
(A)firm offer
(B)standing offer
(C)conditional offer
(D)counter offer。

答案：登入後查看
統計： A(6), B(0), C(3), D(2), E(0) #2664913