A.全球化B.一體化C.國(guó)際化D.自由化
A.中間商或代理商B.廠家自營(yíng)銷售網(wǎng)絡(luò)C.廠家直銷D.交易市場(chǎng)
A.P=MCB.MR=ACC.MR=MCD.P=AC