Use the following returns for the next two questions:

Year	Return
1	15.51%
2	9.15
3	11.11
4	17.51

1. What is the standard deviation of the following historical returns?
   1. 14.88%
   2. 3.34%
   3. 3.86%
   4. 2.97%

2. According to Blumes formula, what is the expected return over the next two years?
   1. 13.30%
   2. 12.87%
   3. 13.27%
   4. 14.09%