6. Clarity. Plan should be clearly expresses the organization's goals and tasks, clearly expresses the resources necessary to achieve goals and taken by the procedures, methods and means, explicitly expresses the managers at all levels in the rights and duties in the process of execution plan. As hicks income concept did not specify what is called "equal wealth", and thus the income concept formed the basis of many debates concept, and the theory of accounting earnings, especially the capital preservation theory has a great influence. In accounting, people used to call "maintaining the same level of affluence" as capital preservation. Savers can earn more than 40 points from the one-year top bond, compared with the beginning of the year. In January Atom Bank, a mobile phone provider, paid 1.95 PCS for 1.4 PCS. On Wednesday, on the first four shopping days of Christmas, upscale stores were discounting heavily, including most of the fashion retailers. H&M offers discounts of up to 60%, while Debenhams, Fraser, French connections, gaps, new faces and Dorothy Perkins offer discounts of up to 50%. In November, AdDuplex released its November Surface device share data, where the Surface Pro 4 is currently the most popular product, accounting for 39.7% of Surface devices. The newly released Surface Pro(2017) accounts for 9.2%, roughly the total of the Surface Book(7.5%) and the Surface Laptop (2.0%). No matter what happens, Mr Trump will continue his frantic campaign to sell information, promote fake news and boast of the "biggest and best" economy of all time. In doing so, he could even create a circus worthy of the Roman emperor. But if the use of advanced words is not enough, he may decide to attack, especially internationally. This could mean a real withdrawal from nafta, trade action against China and other trading partners, or a more stringent immigration policy. In the face of market failure, coase has given the opposite answer: external-utility problems can be solved by explicitly using the market, without government intervention. And zhang wuchang is more absolute, he said that there is no so-called external utility, there is only unclear property rights. Anyway, coase brought revolutionary innovation to market concepts. He made it clear that the key to the market was not the "price mechanism" of impersonal machinery, but the power of participants in economic activity.