A.1%-10% B.1.5%-10% C.1.5%-15% D.2%-15%
A.1:2000 B.1:3000 C.1:4000 D.1:5000
A.調(diào)價(jià)折扣 B.付款期折扣 C.現(xiàn)金折扣 D.數(shù)量折扣