16. Here are information about bonds: Bond A 25-year maturity, 4% coupon Bond B 10-year maturity, 4% coupon Bond C 10-year maturity. 6% coupon Rank them from highest duration to lowest duration (all have same yield-to-maturity). a) A>B>C b) C>B>A c) C>A>B d) A>C>B e) B>A>C