Why did yu 'ebao decline? It goes without saying that the overall objective of foreign exchange investment is to achieve the greatest possible benefit of risk. As in any other venture capital, "earnings" is a function of the time required, which is not measured in terms of the monetary gain. A small profit in two or three days means that the deal is a success. On the other hand, this small interest will not be available for two or three months, even if it is a 100% profit, and it may not necessarily be cost-effective from the point of view of time. The accounting income follows the historical cost principle and the matching principle, which is conducive to the objective reflection of the business management responsibility of the enterprise management authorities. But, due to the historical cost principle inherent defects, especially according to the present value of revenue and expenses by historical cost line, makes the calculation of accounting earnings lack of inner logical unity, and the matching principle is difficult to carry out, so that the book value of assets can not reflect its real value, cost cannot be fully compensated. And the economic benefit is measured in the current value, which reflects the actual value of the asset, which is beneficial to the full compensation of the cost. Modeling thus far can be a fast moving business along with competitive and this means that it's suppose to be taken being a fulltime job. Agencies are suppose to conduct their business 24 hrs to be able to manage to handle emergencies like cancellations and rush jobs. Besides that agencies usually use booking departments to become able to keep a count clients who hire models. Most of these agencies are very well furnished with a phone, that's manned on the job that the client is visiting.