Once you know the selling price and direct costs of each product or service unit you sell, you can calculate your contribution margin in dollars per unit.

一旦你知道了产品或服务的零售价和直接成本，你就可以计算出单位产品边际收益。

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But the price tag would be higher if the financial contribution of Mr. Cameron and others were included.

但是如果算上卡梅隆和其他人提供的财政资助，该影片的价码应该更高。

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Again, using the gift basket business as an example, if your selling price was $50 and your direct costs added up to $40, then your contribution margin in dollars would be $10 per unit.

还是拿礼品篮公司举例，如果你的零售价是50美元，直接成本共计40美元，那么你的单位边际收益就是10美元。

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Margin trading increases the relative contribution of idiots in price-setting.

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