non profit organisaties The level of productivity of society determines the organizational form of social basic economic units. Enterprise is the result of the development of social productive forces to a certain level, which is the product of commodity production and exchange of goods. 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. Medium small Springall said: "this will be a long time before fully recover energy saving market also so if savers, waiting for a long time, they may eventually in some we saw in more than a year the most preferential price missed." In 2018, we must: So why is yu 'e bao falling steadily?