Usually the percentage of sales is a simple and commonly used method is based on the assumption of the main assets, liabilities, income, cost of sales and direct proportion.

通常销售百分比法是一种简单和常用的方法，其主要是假设资产、负债、收入、成本与销售额成正比例。

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Usually the percentage of sales is a simple and commonly used method is based on the assumption of the main assets, liabilities, income, cost of sales and direct proportion.

通常销售百分比法是一种简单和常用的方法，其主要是假设资产、负债、收入、成本与销售额成正比例。

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