finance questions

1 ) Staind, Inc., has 8 percent coupon bonds on the market that have 13 years left to maturity. The bonds make annual payments. If the YTM on these bonds is 10 percent, what is the current bond price?

2)  Kiss the Sky Enterprises has bonds on the market making annual payments, with 18 years to maturity, and selling for $840. At this price, the bonds yield 10.0 percent. What must the coupon rate be on the bonds?

3) Grohl Co. issued 8-year bonds a year ago at a coupon rate of 12 percent. The bonds make semiannual payments. If the YTM on these bonds is 9 percent, what is the current bond price?