1. Raise up right hand's middle finger
2. Flip all your 10 fingers up side down
3. The 7 and 2 are the numerator at the upper positor
4. Put the rate of return at the denominator
5. Division gives the number of year to get back the initial captial
Reference https://blog.csdn.net/jiuhebaobao/article/details/137256664
沒有留言:
張貼留言