单选题 The table below summarizes the yields and corresponding price for a hypothetical 15 -year option-free bond that is initially priced to sell at 7% yield: Yield (%) Price ($) 6.90% 100.925 47.00 % 100.0000 7.10% 99.0861 Using a 10 basis point rate shock, the effective duration for this bond closest to:

A、

A. 4.6 years.
B、

B. 7.5 years.
C、

C. 9.2 years.

【正确答案】 C

【答案解析】Effective duration =(100.9254-99.0861)/2×100×0.001=9.2.