You are concerned about potential volatility in market interest rates in the coming years that could drive YTM up or down suddenly. Since you are managing a bond portfolio, you want to be able to say how much your bond values will change in the face of a changing YTM. In particular, you are looking at a $1,000 face value bond by Pik-U-Up, Inc. The bond has 6 years until maturity, has a coupon of 4.1% paid semiannually, and an initial 6.9% YTM.

What is the modified duration of the bond?

A. 4.35 years

B. 5.14 years

C. 5.32 years

D. 5.88 years

E. 6.08 years