The correct answer for question 9 is: 6% compounded semi-annually

9. A bond matures in seven years, pays a semi-annual coupon of 6% on a face value of $500 and is currently trading at $500. Determine its yield to maturity. 10. A bond matures in six years, pays a semi-annual coupon of 4.3% on a face value of $500 and is currently trading at $457.70. Prove that its yield is at least 5% compounded semi- annually