how to buy and sell property for profit Interest determines the regularity of prescriptive (interest this qualitative rules will determine the amount of the rules), the amount of interest depends on profit, interest rate depends on the average profit margin. Marx further pointed out that, between average profit margin and zero, interest rate depends on two factors: one is profit margin; The second is the proportion of total profits allocated between lenders and borrowers. In the late 19th and early 20th century, with the transition from free capitalism to monopoly capitalism, the factory itself had undergone complex and profound changes. Constantly adopt new technology to make the production rapid development; The scale of production keeps expanding, competition intensifies, and a large-scale monopoly enterprise is produced. The separation of rights and ownership and the formation of a professional management stratum; The scientific management system has been established, and a series of scientific management theories have been formed to make the enterprises mature and become modern enterprises. Gasoline English called Gasoline (beauty)/Petrol (UK), appearance is transparent liquid, inflammable, distillation range of 30 ℃ to 220 ℃, main components in C5 ~ C12 fatty hydrocarbon and naphthene classes, and aromatic hydrocarbon, certain amount of Gasoline with high octane number (antiknock combustion performance), and by the discretion of octane number can be divided into no. 90, no. 93, no. 95, no. 97. Straight-run gasoline components which are obtained by oil refining gasoline, catalytic cracking gasoline, catalytic reforming gasoline components such as different after refined gasoline with high octane number components made by the harmonic, mainly used in automobile ignition internal combustion engine fuel. Loading may be the work which is invested in a work centre. For example, time might be lost while changing over from making one component to another. If your machine breaks down, it won't be available. If there is machine reliability data available, this should also be considered. Sometimes the equipment might be awaiting parts to arrive or be 'idling' for many other reason. Other losses could have an allowance for the machine being run below its optimum speed plus an allowance to the 'quality losses' or defects which your machine may produce. Of course, several losses should be small or non-existent in the well-managed operation. Finite loading is an approach which only allocates work to a work up to set limit. This limit is the estimate of capacity for that work centre (in line with the times designed for loading). Infinite loading can be an way of loading work which doesn't limit accepting work, but instead tries to handle it.