1. The accounting income is based on the actual economic business of the enterprise, and the sales revenue obtained from selling products or providing services is deducted from the cost of actual sales revenue. These economic businesses include both external and internal transactions. Business activities with the outside world transfer the assets or liabilities of an enterprise, since it is usually a direct monetary income, so its measurement is generally accurate. The use or transfer of assets within an enterprise, as a result of a non-direct monetary balance, is usually not accurate. According to traditional accounting views, changes in market prices or expected prices are not included in the transfer of internal assets. When a transaction occurs, the price of an old asset is usually transferred to the new asset, which is the measurement of the proceeds of the transaction. The transaction method automatically deduces the process of determining income during sales or trading, as well as the cost transfer practice in accounting. The level of productivity of society determines the organizational form of social basic economic units. Enterprise is the result of the development of social productive forces to a certain level, which is the product of commodity production and exchange of goods. advertising There were two opposing views of development in the 19th century. A push performance degradation is based on the second law of thermodynamics system, it argues that, due to the dissipation of energy, the world tends to be weak, the universe tends to "heat death", the structure of the retreat, disorder tend to the maximum, the whole world over time and the process of dying; Another is based on Darwin's theory of evolution of the evolution of the concept system, it points out that social evolution is the result of the increasing division of species, the evolution and increased, structure complex and orderly, and constantly reinforced by functional evolution, all nature and human society are to develop more advanced, more orderly organization structure. Unlike trading or futures trading, currency trading does not need and possesses a particular market. All trades are executed Over The Counter (OTC) through high-speed interconnected electronic networks. The banks have their own dealing rooms and a lot individual traders trades from other home on specific encrypted foreign exchange trading software platforms. These trading platforms are generally of two sides as online or broker-side trading platforms and direct access or trader-side trading platforms.