non profit or Interest rate, in the form of expression, refers to the ratio of the amount of interest to the total amount of borrowed capital in a certain period of time.  the interest rate is the interest level per unit time of the unit currency, indicating the interest rate. Economists have been looking for a theory that can fully explain the structure and change of interest rates. Interest rates are usually controlled by the central bank of the country and administered by the federal reserve board in the United States. Today, interest rates are one of the important tools for macroeconomic regulation. "We're seeing more and more frantic promotions and discounts on the streets this week," she said. "the impact on consumers is not what it used to be." Micron will focus on the technology transition of DRAM and NAND, as well as revenue share growth in 2018, and will consider expanding manufacturing capacity in 2019 and beyond. The American petroleum institute (API) released data showing a decline in U.S. crude oil and refined refining inventories, while gasoline inventories rose. So there is concern that the yield will not fall below the historic low of 2.4%.