what affects gross profit margin Poorly considered activities confuse strong competitiveness with overt aggression. This should 't be the goal of team development activities. A cohesive team that can work successfully together doesn't have aggression to accomplish its goals. Such activities can be demeaning to the people who are often instructed to compete in a level that's largely meaningless in the job. The investment in securities is conducive to improving the operation and management of enterprises, improving the economic and social visibility of enterprises and promoting the rationalization of enterprises' behaviors. In his theory, money supply is controlled by the central bank and is an exogenous variable with no interest rate elasticity. At this point, monetary demand depends on people's psychological "liquidity preference". Having determined the sequence that work well is usually to be tackled in, some operations have to have a detailed timetable showing at what time or date jobs should start so when they must end ' this really is scheduling. Schedules are familiar statements of volume and timing in several consumer environments. For example, a bus schedule demonstrates more buses are put on routes at more frequent intervals during rush-hour periods. The bus schedule shows enough time each bus is because of go to each stage in the route. Schedules of training are widely-used in operations where some planning must be sure that customer demand is met. Other operations, including rapid-response service operations where customers arrive in an unplanned way, cannot schedule the operation in the short-term sense. They can only respond at some time demand is positioned upon them. The scheduling activity is one in the most complex tasks in operations management. First, schedulers must deal with several unique kinds of resource simultaneously. Machines will have different capabilities and capacities; staff can have different skills. More importantly, the quantity of possible schedules increases rapidly as the number of activities and processes increases. The accounting income maintains the financial capital preservation, namely, the monetary value that only requires the owner to invest is not eroded, the enterprise income exceeds the input value part is the accounting income. Accounting focuses on reporting financial results. The economic benefits insist on physical capital preservation, which can only be confirmed when the actual production capacity of the owner is saved. It is believed that only by maintaining the actual production capacity of the enterprise can the enterprise reproduce smoothly. Physical capital preservation is more meaningful than the income of financial capital preservation, but it is difficult to measure. Because economists understand earnings as actual material wealth increase, accounting experts think the output value of more than the difference between the input value is profits, there is a contradiction and two kinds of income concept. The specific performance is: Among them, the repeal of the affordable care act means obamacare will be repealed, and the tax reform bill has essentially repealed obamacare. The media is expected to sign a tax reform bill on January 3 that would make it a bill. In the week ended Dec. 15, U.S. crude stocks fell 520 barrels to 438.7 million barrels, the API said, with analysts predicting a decrease of 3518,000 barrels. Cushing's crude inventories rose by 70,000 barrels.