4. As a financial analyst at Wells Fargo, you are examining the impact of the vield change on the bond price. A bond has a duration of 8 years, a yield of 8%, a convexity of 140, and a market price of $1,300. Suppose the market yieta decreases by 60 basis points. What is the percentage change in the bond's price by the duration only formula? a. b. What is the bond price after the vield decline predicted by the duration only formula? What is the percentage change in the bond's price predicted by the duration with convexity formula? c. "P What is the bond price after the yield decline predicted by the duration with convexity formula