6. Margaretto Corporation's bonds have a 15-year maturity, a 7.25% semiannual coupon, and a value of $1,000. The going interest rate (rd) is 6.20%, based on semiannual compounding. What is the bond's price? a) $1,074.05 b) $1,141.49 c) $1,047.19 O d) $1,129.12 e) $1,101.58