Complete questions 1-4 and show your work, thanks!

1. A 5-year corporate bond with a $1,000 par value pays a 5% coupon semiannually. If the bond is currently selling at $1,100, what is the bonds annual yield to maturity?

2. What is the current yield for a bond that has a par value of $5,000, a current price of $5,500, and a coupon rate of 4.5%?

3. A 3-year corporate bond with a $1,000 par value pays a 7% coupon semiannually.

a) If the bond is currently selling at $900, what is the bonds annual yield to maturity? b) If the marginal tax rate is 30%, what is the after-tax annual yield?

4. A 5-year municipal bond with a $5,000 par value pays a 2% coupon semiannually.

a) If the bond is currently selling at $4,750, what is the bonds annual yield to maturity? b) If the marginal tax rate is 25%, what would be the equivalent yield on a bond that was fully taxed?