請(qǐng)問(wèn)我們銷售的商品出庫(kù)的時(shí)候我方計(jì)得的磅和對(duì)方收貨計(jì)算的磅有差額，我應(yīng)該按誰(shuí)的為準(zhǔn)開(kāi)票?？偨痤~需要?jiǎng)訂幔咳绻麑?duì)方說(shuō)水分多，扣噸數(shù)，我出庫(kù)或開(kāi)票數(shù)量應(yīng)該按哪個(gè)？