Company C's bonds have a $1,000 par value, and they mature in 30 years. The nominal, annual yield to maturity is 8.25%, but they pay interest semiannually, and their current price is $1120. What is the bond's nominal coupon interest rate? a. 4.67% b. 7.49% c. 9.34% d. 8.11% e. 8.25%