Four years ago you bought a 15-year zero-coupon bond when the market rate of interest was 6%. Today (with 11 years remaining until maturity) market rates of interest are 7.75% and you sell the bond. Based on this, how much did you make (or lose) during your four years holding the bond? A, A profit of $32.01 B, A loss of $32.01 C, A loss of $21.28 D, A profit of $21.28 E, None of the other answers are correct