25. Duller Image has issued a noncallable bond that matures in 15 years. The bond has a par value of $1,000 and sells for $1,075. The bond has a 7 percent annual coupon rate. The coupon payments are made annually. What is the bond's yield to maturity?

26. As in question 25, Duller Image has issued a bond that matures in 15 years. The bond has a par value of $1,000 and sells for $1,075. The bond has a 7 percent annual coupon rate. The coupon payments are made annually. However, this time assume that the bond is callable in 5 years at a price of $1,100. What is the bond's yield to call?

27. Bed Bug Mattress has a noncallable bond issue outstanding with a face value of $1,000 and a 10% coupon rate. The issue makes semiannual coupon payments and matures in 30 years. The bond has a yield to maturity of 12%. What should be the value of the Bed Bug Matress bonds?