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| rev | Admin | (Created page with "'''Solution: A''' Let <math>r</math> be the semiannual coupon rate. For the original bond, <math>P=1000 r a_{60.05}+1000 v^6=5075.692 r+746.215</math>. For the modified bond, <math>P-49=1000 r a_{120.05}+1000 v^{12}=8863.252 r+556.837</math>. Subtracting the second equation from the first gives <math>49=-3787.56 r+189.378</math>. The solution is <math>r=0.037</math> and the coupon is 37 . {{soacopyright | 2023 }}") | Nov 19'23 at 19:19 | +418 |