While checking the Wall Street Journal bond listings you notice that the price of an AT&T bond is the same as the price of a K-Mart bond. Based on this information you know that

a. the bond with the longest time to maturity will have the highest yield to maturity.

b. both bonds have the same yield to maturity.

c. the bond with the lower coupon rate will have the lower current yield.

d. both bonds will have the same bond rating.