a. Consider a bond selling at par with Modified Duration of 12 years and Convexity of 265. The interest rate is expected to decrease by 1%. Required: i. Estimate the percentage price change using the Duration-with-Convexity rule. ii. If the interest rate increases instead, will the estimated percentage price change calculated in (i) remain the same? Explain your answer in light of the differences between Duration only rule and Duration-with-Convexity rule