meaning of net profit Historically, the concept of income has first appeared in economics. Adam Smith, in the wealth of nations, defined income as "the amount of consumption that is not eroded by capital", and saw it as an increase in wealth. Later, most economists inherited and developed this view. 1890, ai (Alfred Marshall Maarshell) in its "the principles of economics," the Adam Smith's "wealth increase" enterprise, introduced the concept of earnings, is proposed to distinguish the entity capital and value-added benefits of economic benefits. In the week ended Dec. 15, U.S. crude stocks fell 520 barrels to 438.7 million barrels, the API said, with analysts predicting a decrease of 3518,000 barrels. Cushing's crude inventories rose by 70,000 barrels. 5. Accounting earnings depend on the reasonable proportion of income and expenses during the period. Costs that are not associated with the current period should be incurred as assets to be transferred for later periods. (2) actual income -- the increase of material wealth; Another use is similar to the organization, which can be used to refer to companies, schools, social groups and even government agencies. After a usage mainly appears in the information technology application in the field of some proper nouns, such as enterprise application (enterprise applications), enterprise computing (enterprise computing), enterprise integration, enterprise integration), enterprise engineering (engineering) enterprise, the enterprise architecture (enterprise architecture), enterprise modeling (enterprise modeling), and so on.