An investor currently has a portfolio valued at $700 000. The investor’s objective is long-term growth, but the investor will need $ 30 000 by the end of the year to pay his son’s college tuition and another $10 000 by year-end for his annual vacation. The investor is considering three alternative portfolios.（）
A．portfolio
B．expected return
C．standard deviation of returns
D．
1
2
3
E．
8%
10%
14%
F．
10%
13%
22%