profit and loss statement The American petroleum institute (API) released data showing a decline in U.S. crude oil and refined refining inventories, while gasoline inventories rose. The ECB confirmed that it plans to slow its bond-buying efforts to 30 billion euros (22 billion pounds) by the end of September 2018, from January 2018. 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. Based on the above two kinds of comparison and analysis of the concept of earnings, reveals the inadequacy of accounting earnings, i.e., the accounting income does not take into account inflation, the production gains, goodwill to improve the impact of changes and their value, and can be found on only the pursuit of reliability, and can be measured, which affect the enterprise's profit ability and continuous operation ability. Accounting, since the 1950 s began to pay attention to absorb the income concept of some reasonable kernel of economics, the concept of modern accounting theory of income in the income concept of economics. 4. The transferability of shares, that is, the shares held by shareholders may be transferred according to law. Such as "company law" the one hundred and forty-second regulation, company directors, supervisors and senior managers shall declare to the company's shares held by this company and its changes, in office during the transfer of shares shall not be more than a year the company shares he holds 25% of the total; The shares held by the company shall not be transferred within l years from the date of the listing of the shares of the company. The company's directors, supervisors and senior managers shall not transfer their shares in the company within half a year. In addition, the company law allows the company's articles of association to assign other restrictive provisions to the company's directors, supervisors and senior managers in the transfer of its shares of the company. The allocation of shares means that the company assigns the shares to the subscribers according to certain allocation methods according to the sponsors and (or) other shares subscribed by the company. If the total amount of subscription exceeds the total amount issued, the allocation shall be determined according to certain principles. Payment of shares and allocation of shares are two aspects of the same activity. After the allocation of shares, the name or name of the shareholder shall be recorded on the list of shareholders. Well, the most recent trend within the dental industry and practices is usually to select locum tenens dentist. They are temporary dentists that appeal to certain requirements of the particular clinic limited to a few days and soon move over to a new clinic. This trend continues to be accepted in the field of medicine since a long time, however the trend has currently influenced the dental practice. One of the major factors behind the rapid expansion of this trend is the demand for dentists has increase along with the numbers of professionals usually are not sufficient to enough to focus on the requirements. As a result, just one individual creates a short lived basis in numerous clinics and chambers.