The Outstanding Bonds of Frank's Recycled Goods Are Priced at $987

The outstanding bonds of Frank's Recycled Goods are priced at $987 and mature in 11 years. These bonds have a 6.5 percent coupon and pay interest annually. The firm's tax rate is 34 percent. What
Is Frank's after-tax cost of debt?

A) 2.27 percent
B) 2.43 percent
C) 4.40 percent
D) 5.48 percent
E) 6.68 percent