A.稅收B.增值稅C.流轉(zhuǎn)稅D.關(guān)稅
A.經(jīng)營活動(dòng)B.成本控制C.利潤源泉D.盈虧
A.原材料初級(jí)產(chǎn)品的采購洽商B.零部件商務(wù)洽商C.專利權(quán)商務(wù)洽商D.設(shè)備商務(wù)洽商