A bond has a par value of $1,000,9 years to maturity, and a coupon rate of 4.30% ? Assume that coupon payments are made semiannually. a. If the required rate of return is 4.86%, what is the value of the bond? (Round answers to 2 decimal places.) Bond value b. What is the bond's value if the required rate of return increases to 6.09% ? (Round answers to 2 decimal places.) Bond value $ c. What is the bond's value if the required rate decreases to 4.09% ? (Round answers to 2 decimal places.) Bond value $