profit and loss report The popular programme, which has been running since 2011, and regularly draws audiences in excess of 4m, sees a team of home improvement experts led by Alan Titchmarsh transform properties for deserving families in difficult circumstances. Network planning technology was developed and developed in the United States in the late 1950s. This approach includes a variety of web-based methods, such as critical path method, planning review technology, combined network method, etc. In 1937, American economist Robert coase (R. H. Coase's publication of the essence of the enterprise is considered to be the beginning of a discussion on this issue. Network planning technology is a scientific method of planning and management, which is developed with the development of modern science and technology and industrial production. In the 1950s, in order to meet the needs of scientific research and the management of new production organizations, some new methods of planning management were introduced abroad. In 1956, dupont studied the key line method of network planning technology (CPM) and tried it on a chemical engineering project, and achieved good economic results. In 1958 the United States naval weapons when "Polaris" missile plans, applied the plan evaluation method (abbreviated as PERT) project plan arrangement, evaluation, audit and control, was a huge success. In the early 1960 s, the network planning technique, has been in the United States all new construction fully adopt this kind of new method for program management, could be introduced into Japan and Western Europe and other countries. With the rapid development of modern science and technology and the continuous improvement of management level, network planning technology is also developing and improving. At present, it has been widely applied in the fields of industry, defense, construction, transportation and scientific research of the world, and has become a scientific method of modern production management in developed countries. Commodity market refers to a fixed location, facilities, there are several operators admission management, tax respectively, the market management is responsible for the management, property management, centralized, publicly traded for tangible commodity trading places. This concept has three meanings: first, commodity market is a commodity trading place composed of transaction subject, transaction object, transaction carrier and other elements. Second, the commodity market is the place to provide services, which is a trading venue for producers and consumers to provide a certain quality of service. Third, the commodity market is the place to provide sensory experience. Therefore, commodity market is the product of commodity economy development to a certain stage.