问题
单项选择题
What is the probable change in price of a 30-year semiannual 6.5 percent coupon, $1000 par value bond yielding 8 percent when the nominal risk-free rate changes from 5 percent to 4 percent（）
A. $106.34.
B. $107.31.
C. $102.57.
答案
参考答案：B
解析：
Price at 8% is N=60, FV=$1000, I=4%, PMT=$32.50, CPT PV =$830.32; price at 7% is N=60, FV=$1000, I=3.5%, FV=$1000, CPT PV=$937.64. Change in price is $107.31.