face value is 1000

Using semiannual compounding, find the prices of the following bonds: a. A 8%, 15-year bond priced to yield 6.3%. b. A 6.8%, 10-year bond priced yield 8.5% C.A 11.2%, 20-year bond priced at 9.5%. Repeat the problem using annual compounding. Then comment on the differences you found in the prices of the bonds a1. Using semiannual compounding the price of the bond is $. (Round to the nearest cent.)