1. Kiss the Sky Enterprises has bonds on the market making semiannual payments, with 12 years to maturity, and selling for $916. At this price, the bonds yield 8.6 percent. What must the coupon rate be on the bonds?

2. Grohl Co. issued 19 year bonds 6 years ago at a coupon rate of 11 percent. The bonds make semiannual payments. If the YTM on these bonds is 5 percent, what is the current bond price?

3. Bond Dave has a 5 percent coupon rate, makes semiannual payments, a 8 percent YTM, and 21 years to maturity. If interest rates suddenly rise by 5 percent, what is the percentage change in the price of Bond Dave?