Rank the duration of the following bonds from least to greatest. Smallest Duration 1 2 3 4 Greatest Duration

Rank the duration of the following bonds from least to greatest. Smallest Duration 1 2 3 4 20-year zero coupon bond with YTM = 10% 20-year bond with 10% coupon and YTM = 11% 20-year bond with 10% coupon and YTM = 10% 19-year bond with 11% coupon and YTM 11% Greatest Duration