The bond value computed shows that the percentage change in the price of Bill's bond is -10.20%.
From the information given, the following can be deduced:
Nper = 10
PMT(semi annual payment) = 1000 × 12.4% × 0.5 = 62
FV (face value) = 1000
Rate = (12.4 + 3)/2 = 7.7%
New bond value = PV(7.7%, 10.62, 1000) = $897.97
Therefore, the percentage change will be:
= (897.97 - 1000)/1000
= -10.20%.
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