Consider the following information about three stocks. Assume you create your own portfolio and the weightage of the portfolio for the following stock is as follows: 50% of stock A, 30% of stock B and 20% of stock C.

Nigeria Economy	Probability of Happening	stock A	stock B	stock C
Expansion	0.4	26%	40%	50%
Normal	0.3	20%	30%	35%
Recession	0.3	15%	25%	10%

Required:

1) Find the portfolio expected return. (Hint: Only one answer.)

2) Find the standard deviation?