At the same time, direct materials, direct labor, manufacturing costs and cost analysis during the analysis of the costs. Corporate financial analysis can provide a reference work.

同时进行直接材料、直接人工、制造费用等成本和期间费用分析，可为企业财务分析工作提供一定参考。

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What has been proven is that if you are one of the top spenders, innovation will impact gross margin (the percentage of revenue left over after subtracting the costs of materials, labor, manufacturing, and direct shipping, and after paying other expenses incurred in making the products or services sold).

FORBES: Innovation Law #3 - The Law of Resources