二楼的问题

利润收入=公司所得税公司+未分配利润（公司留利）+红利与股息（分给个人）

国民收入-公司留利-社会保障缴款+政府和企业向个人转移支付+利息调整=个人收入

下面是网上找到的两条注释，请参考，别的俺就不懂了。

capital consumption adjustment: The official item in the National Income and Product Accounts maintained by the Bureau of Economic Analysis that measures the macroeconomy's capital depreciation during a given time period, usually one year. The capital consumption adjustment, which is also commonly termed the capital consumption allowance, both of which conveniently go by the abbreviation of CCA, is subtracted from gross domestic product (GDP) to calculate net domestic product (NDP). The CCA is also subtracted from gross private domestic investment to calculate net private domestic investment.

The Capital Consumption Adjustment is the difference between private consumption of fixed capital (CFC) and private capital consumption allowances. Private CFC is a charge for the using up of private fixed capital. It is based on studies of prices of used equipment and structures in resale markets. Private capital consumption allowances consist of tax-return-based depreciation charges for corporations and nonfarm proprietorships and of historical-cost depreciation, calculated by BEA, for farm proprietorships, rental income of persons, and nonprofit institutions.