Rank the interest sensitivity of the following from the most sensitive to an interest rate change to the least sensitive:
I. 8% coupon, noncallable 20-year maturity par bond
II. 9% coupon, currently callable 20-year maturity premium bond
III. Zero-coupon 30-year maturity bond
A. I, II, III
B. II, III, I
C. III, I, II
D. III, II, I
Answer: C