10.4 a. (5 points) Class Inc. issued 21-year bonds one year ago at a coupon rate of 8 percent. The bonds make semiannual payments. If the YTM is 6 percent, what is the current bond price? b. (5 points) Class Inc. issued 21-year bonds one year ago at a coupon rate of 8 percent. The bonds make annual payments. If the YTM is 6 percent, what is the current bond price? (NOTE: this is the same problem as part a, only with annual payments instead of semiannual payments)