Stock A has an expected return of 20%, and stock B has an expected return of 4%. However, the risk of stock A as measured by its variance is 2 times that of stock B. If the two stocks are combined equally in a portfolio, what is the portfolio's expected return?

Select one:

a. 20%

b. 12%

c. Greater than 20%

d. None of THESE

e. 4%