The gross profit and the net income are reduced for the period in which the decline occurred and (2) an approximately normal gross profit is realized during the period in which the item is sold.

在价格下跌时期，销货毛利和净收益减少（2）在出售货物期间，能够实现近似正常的毛利。

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On balance, firms that derive less than 10% of its sales through Wal-Mart averaged 39.1% in gross margin, or the percentage of profit realized before items like fixed costs and interest expense are considered.

FORBES: The Wal-Mart Squeeze