bond 1: 0%(cuopuon rate), 13 (maturtity years)

bond 2: 0%(cuopuon rate), 11 (maturtity years)

bond 3: 6%(cuopuon rate), 13 (maturtity years)

bond 4: 9%(cuopuon rate), 11 (maturtity years)

1. what is the % change in the price of bond 1, bond 2, bond 3, bond 4, if its yeild maturitity falls from 7% to 6%?

2. which of bonds 1-4 is the most sensitive to a 1% drop in intrest rates from 7% - 6%, and which bond is least sensitive and explain why.

(annual compounding)