small business profitability Create a safe environment to support innovation - inevitably, some of the bubble will burst, some milestone will not be achieved, some projects will evaporate, investors hit hard, makes people calling for regulation. But if we regulate the old structures and paradigms, we will stifle innovation. Western economists further point out that the main factor that leads to the difference between trading costs in markets and businesses is the incompleteness of information. Because of the incompleteness of the information. Any party of a contract will be trying to collect, information and access to what they didn't have to monitor each other's behavior, and try to constraints, and afterwards to punish in advance of each other's default behavior and so on. All these practices produce transaction costs. As a result of these practices in the market and the enterprise can take different forms, so the corresponding transaction costs is not the same, in particular, under the condition of asymmetric information, in the process of market transactions, transaction cost, as a result of these practices are often very high. Therefore, through the organizational form of enterprises, some market transactions can be internalized to eliminate or reduce the high transaction costs generated by some market exchanges. "The tax authorities are investigating allegations of tax evasion after reviewing records of individuals and entities. The authorities are sending a notice to them that they will have to pay a capital gains tax on bitcoin investments and transactions." The plan should also be linked to capital management in addition to the analysis of market objectives 2. Accounting earnings are based on the assumption of accounting instalments, which refers to the production and operation results of a certain period of time. Early accounting earnings is calculated according to the cash basis, and the modern accounting earnings is according to the classification current income and expenses of accrual basis, after the appropriate ratio calculated. However, the benefits of cash determination are more acceptable to users. To exit a lost transaction, the most effective procedure is to issue a "stop loss order". Of course, the only way to do this is by the trader's idea of how much he's willing to lose. If he has set an acceptable level of loss before entering the trade, the only thing he can do is to issue a "stop loss order" once the market has reached that point.