1. What is the price for a $1,000 par, 20 year, 8% coupon bond with annual payments and a 7% yield to maturity?

2. What is the price for a $1,000 par, 5 year, 6% coupon bond with annual payments and a 9% yield to maturity?

3. What is the yield to maturity for a $1,000 par, 10 year, 8% coupon bond with semiannual payments, callable in 3 years for $1,050 that sells for $1,071.06?

4. What is the yield to call for a $1,000 par, 15 year, 8% coupon bond with annual payments, callable in 3 years for $1,050 that sells for $950?