oil change for cheap How do firms choose their overhead cost assignment? How do firms choose optimal cash strategy determined by critical production activities that create and capture values? What is the nature and function of expense assignment? What are reasons for expense indicators or cost drivers? What are some policy implications of the Activity Based Costing in formulating effective cost assignment and spending budget strategies? 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. With the development of productivity and social progress, the enterprise form has been continuously developed and improved. The evolution of an enterprise mainly goes through three stages Interest rates are an important tool for regulating monetary policy, and they are also used to control economic growth, such as investment, inflation and unemployment. Reasonable interest rate plays an important role in the economic leverage of social credit and interest rate. 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.