24.2 points Corporation A's bonds have a 15-year maturity, a semiannual coupon with an annual coupon rate of 7.25%, and a par value of $1,000. The market interest rate is 7.50%, based on semiannual compounding. What is the bond's price?
a. $977.71
b. $860.39
c. $899.50
d. -$1,202.59
e. $821.28.