The Pet Market Has $1,000 Face Value Bonds Outstanding with 21

The Pet Market has $1,000 face value bonds outstanding with 21 years to maturity, a coupon rate of 6.4 percent, annual interest payments, and a current price of $892. What is the aftertax cost of debt if the combined tax rate is 24 percent?

A) 6.79 percent
B) 7.43 percent
C) 4.61 percent
D) 7.08 percent
E) 5.65 percent