NO.PZ2023040701000071
问题如下：
Krishnan uses the results shown in Exhibit 3 to estimate the bond’s effective duration.
The effective duration calculated using the information in Exhibit 3 is closest to:
选项：
A.8.02
B.4.11
C.8.21
解释：
Correct Answer: C
比如eff dur eff con和KRD
