For each of the following bonds, determine the purchase price and the premium or discount:
A. A $10,000, 7.75% bond with annual coupons redeemable at par in seven years is bought to yield 7.25% compounded annually.
B. A $100,000, 5% bond with interest payable semiannually and redeemable at par on July 15, 2031, was purchased on April 18, 2020, to yield 7% compounded semiannually.