Assume you purchase (at par) one 18-year bond with a 6.40 percent coupon and a $1,000 face value. Suppose you are only able to reinvest the coupons at a rate of 4.40 percent. If you sell the bond after 13 years when the yield to maturity is 7.40 percent, what is your realized yield?

5.66%

3.72%

4.31%

5.43%

6.98%