Historical costs differ from current values The proposed acquisition of calcium chloride will improve the self-balancing ability of chlorine and alkali and guarantee the stability of industrial chain Data released by the American petroleum institute (API) showed that U.S. crude oil inventories fell 5.2 million barrels in the week ended Dec. 15, down from an expected 35.18 million barrels. Refinery inventories fell more than expected, while gasoline inventories rose, but were less than expected. The overall API data is good and good for oil prices. Larger suppliers can borrow cheaply from the government's regular contributions, which means they have little incentive to raise savings rates to attract customers' deposits and then lend. The optimal combination of benefits and risks is the best combination of benefits and risks. If the benefit is certain, the risk is minimized; advertising Canning's 1929 book, economics in accounting, cites the economist's view that asset values are determined by the present value of the future cash flows of assets. Consciously develop diverse and representative cultures