One year ago you purchased a zero coupon bond and paid $780 for it. It now has 5 years remaining to maturity, and its yield to maturity is 8%. Its face value is $1,000. Find the change in dollar value of the bond in this period. Use annual compounding. a) $680.58 b) $689.33 c) $ 99.42 d) $730.29 e) $99.42