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: O a. The bond has a current yield greater than 8 percent. O b. If the yield to maturity remains constant, the price of the bond is expected to increase over time. O c. If the bond is callable, the YTC is a better estimate of this bond's expected return. O d. The bond sells at a price below par. O e. The bond price will increase when there is an increase in the required discount rate