NO.PZ2023091802000076
问题如下：
A bank uses a continuously-compounded annual interest rate of 5% in one of its risk models. What is the equivalent interest rate the bank should use if it converts to semi-annual compounding in the model?
选项：
A.
4.94%
B.
5%
C.
5.06%
D.
5.12%
解释：
这道题用了什么公式解题
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