ABC's bonds are selling today at $77.10 discount based on a face value of $1000. They have a 6% coupon rate, pay semi annual coupons and will mature in seven years. If ABC were to issue similar bonds today, what will be it's coupon rate if they are sold at par and mature in 7 years?

a. 7.43%

b. 8.92%

c. 8.43%

d. 3.72%

e. 6.00%