You just purchased a 10 year 6% Corporate bond that pays interest semi-annually and has a modified duration of 8.4. Which of the following is true if interest rates were to immediately increase 0.50% or 50 basis points the day after your purchase?

Which of the following previously issued bonds (one of these 4) would be currently valued at a discount if the prevailing interest rate for bonds of similar risk is 9% (current interest rates are 9%)?