Using semiannual compounding, find the prices of the following bonds: a. A 9.3%, 15-year bond priced to yield 7.0%. b. A 5.5%, 10-year bond priced to yield 7.8%. c. A 12.4%, 20-year bond priced at 10.1%. Repeat the problem using annual compounding. Then comment on the differences you found in the prices of the bonds. c1. Using semiannual compounding, the price of the bond is $ . (Round to the nearest cent.)