NO.PZ2015120604000100
问题如下：
An investor purchase a stock's which initial price is $20 and its year-end price is $25, what is its continuously compounded annual rate of return,assuming the investor sell the stock at the end of the year?
选项：
A.16.64%.
B.22.31%.
C.18.00%.
解释：
B is correct.
The stock's continuously compounded annual rate of return is ln(25 /20) = 22.31%.
老师您好，请问这个考点在PPT哪一页呢？
