If the Federal Reserve sells $50 billion of short-term U.S. Treasury securities to the public, other things held constant, what will this tend to do to short-term security prices and interest rates? Answer A)Prices and interest rates will both rise. B)Prices will rise and interest rates will decline. C)Prices will decline and interest rates will rise. D)Prices and interest rates will both decline. E)There will be no changes in either prices or interest rates