问题
单项选择题
If yield increases by 8 basis points, the percentage price change of an option-free bond that has duration of 15 is closest to:（）
A. -0.12%
B. 0.12%
C. -1.2%
答案
参考答案：C
解析：
-0.0008×15×100%=-1.2%。
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