please do it in 30 minutes will upvote

2. We invest in a four-year Repsol bond, with an annual coupon of 3% and a face value of 100. We are concerned that the European Central Bank will raise interest rates. In the Currently, the profitability at that term and for that issuer is 8%. to. What is the duration and convexity of this bond? b. Using duration, how much will the price of this bond drop in the event of an increase in the IRR of 1% and 10%? And what would be the drop in price if we consider the effect of convexity? c. If you expect a small IRR increase of 1%. Why do we use the duration to estimate the price effect of the bond? Why is it better to use convexity to estimate the effect on the price if we expect an increase in the 10% IRR? 2. We invest in a four-year Repsol bond, with an annual coupon of 3% and a face value of 100. We are concerned that the European Central Bank will raise interest rates. In the Currently, the profitability at that term and for that issuer is 8%. to. What is the duration and convexity of this bond? b. Using duration, how much will the price of this bond drop in the event of an increase in the IRR of 1% and 10%? And what would be the drop in price if we consider the effect of convexity? c. If you expect a small IRR increase of 1%. Why do we use the duration to estimate the price effect of the bond? Why is it better to use convexity to estimate the effect on the price if we expect an increase in the 10% IRR