18. Interest Rate Risk. Consider three bonds with 8% coupon rates, all making annual coupon payments and all selling at face value. The short-term bond has a maturity of four years, the intermediate-term bond has a maturity of eight years, and the long-term bond has a maturity of 30 years. ( LO6-3) a. What will be the price of the four-year bond if its yield increases to 9% ? b. What will be the price of the eight-year bond if its yield increases to 9% ? c. What will be the price of the 30 -year bond if its yield increases to 9% ? d. What will be the price of the four-year bond if its yield decreases to 7% ? e. What will be the price of the eight-year bond if its yield decreases to 7% ? f. What will be the price of the 30 -year bond if its yield decreases to 7% ? g. Comparing your answers to parts (a), (b), and (c), are long-term bonds more or less affected than short-term bonds by a rise in interest rates? h. Comparing your answers to parts (d), (e), and (f), are long-term bonds more or less affected than short-term bonds by a decline in interest rates