profit maximum According to this model, the interest rate decision depends on the supply of savings and investment needs, money supply, money demand, four factors, cause a change in the saving investment, money supply and demand factors will affect the level of interest rates. This theory is characterized by general equilibrium analysis. Any transaction can be seen as a contract between the two parties. The so-called transaction cost can be seen as the cost of the transaction contract. According to Mr Coase and others, a type of transaction costs arise from the accidental factors that occur when a deal is signed. These incidental factors may not be written into the contract due to the fact that they could not be foreseen in advance, or although they could be foreseen, they could not be written into the contract due to too many factors. Another type of transaction costs is the signing of contracts and the cost of monitoring and enforcing contracts. Today, being in the blockchain is like engaging in more grandiose and socially valuable activities. That is why blockchain is emerging, many of which are sold out, and for many, the line between personal and professional interests is becoming blurred. Canning's view In addition, the national standard has strict regulations on the content of various chemical components of gasoline such as benzene and olefins. Alkenes are high in content, which can produce gelatinous substances in the process, and accumulate in intake manifold and valve catheter. When the engine is in normal working temperature, there is no abnormal phenomenon; When the engine has cooled for some time, the glial will stick the valve inside the valve tube. When you start the engine, you will have a top valve phenomenon. The toxic benzene content should not exceed 1%. In addition, there are several in other cases if you want to loan money from your licensed money lender. For instance, if you suffer liver cancer and you need money to get the surgery, the top solution is to seek assistance from the lenders. These lenders are in reality dedicated to providing you with various loan packages, like unsecured loan, payday loan, business loan. There is no doubt that a money loan company has become popular nowadays. When you want to purchase your medical urgencies, they are honored to assist you. There are 3, 4, 5, 6, 8, 10 and 12 cylinders of the engine. The arrangement of cylinder mainly includes direct column, V shape, W shape, etc.