The Federal Reserve purchases U.S. Treasury securities to: increase interest rates Oincrease the money supply O decrease expected inflation. increase tax rates reduce credit availability If a bond's yield to maturity exceeds its coupon rate, the bond's: maturity value is more than its face value price must be less than its par value current yield is equal to the capital gain on the maturity of the bond. current yield is equal to the coupon rate. maturity value is less than the bond's market value. OOOOO