A bond has an 8 percent annual coupon and a yield to maturity equal to 7.5 percent. Which of the following statements is most correct? Select one: a. The bond sells at a price below par. b. The bond has a current yield greater than 8 percent c. If the yield to maturity remains constant, the price of the bond is expected to decrease over time. d. The bond price will increase when there is an increase in required discount rate. e. If the bond is callable, the YTM is a better estimate of this bond's expected return