calculation of operating profit 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. Generally speaking, the interest rate varies according to the term of measurement, indicating that the method has annual interest rate, monthly interest rate and daily interest rate. Solution: as long as the gasoline in the tank is exhausted, the extra gasoline vapor in the tank can be fired into the cylinder by the negative pressure of the engine, and no gasoline vapor will overflow. A broad market is a group of vendors and individuals who are associated with other vendors and individuals to buy and sell certain goods. The size of the market, the size of the market, is the number of buyers. The social profit generated by enterprise activities is the addition of economic profit or the external economic effect of the activity. Companies may make significant monetary profits, but external economic effects often result in negative results, and substantial social profits may be minimal. Such as the industrial revolution, the mass production of the factory is low cost and price of product, but in order to earn maximum profit, factory owners and lower production costs, lead to the low wages of child labor, as well as improper handling industrial waste or contaminants and other social burden. The foundation said some agency workers earned a bonus to compensate in part for the loss of pension contributions, with interim managers and senior social care staff topping the list of those workers who command high wages.