Manual calculation, no excel

DEF Ltd's bonds are selling today at a $41.80 discount based on a face value of $1,000. They have a 4.40% coupon rate, pay semi-annual coupons and will mature in 6 years. If DEF were to issue similar bonds today, what will be its coupon rate if they are sold at par and mature in 6 years?

a.2.61%

b.4.40%

c.5.22%

d.6.22%

e.6.26%