Assume the following for Bond A: Maturity 4 years Coupon (Annual) 12% YTM 8% Face value $1000 Demonstrate that if the bond is held to "duration", regardless of a subsequent change of +/- 1% on the yield, the rate of return remains the same. Hint: three scenarios after purchasing the bond YTM 7%, 8% and 9%. Use excel, label and submit to the dropbox