Which one of the following 15-year bonds with a maturity value of $3,000,000 would generate the lowest proceeds upon issuance?

Select one:

A. A bond with a coupon interest rate of 9% and a prevailing market rate of 7%

B. A bond with a coupon interest rate of 8% and a prevailing market rate of 8%

C. A bond with a coupon interest rate of 6% and a prevailing market rate of 6%

D. A bond with a coupon interest rate of 7% and a prevailing market rate of 9%