A bond with 20-year maturity was issued 4 years ago. The face value of this 9.23% semi-annual coupon paying bond is $4,000. Analysts find that the current yield to maturity of this bond is 12.56 percent. Show your workings and find the value of this bond. Compare this value against the face value of the bond and write your comment to explain the difference, if any. (Use max 100 words for the explanation).