Based on the following information,

a) Which of the investment has the highest expected return

b) which investment has the highest total risk (standard deviation)

		RATE OF RETURN IF STATE OCCURS
STATE OF ECONOMY	PROBABILITY OF STATE OF ECONOMY	STOCK A	STOCK B	STOCK C
Recession	33.33%	7%	-2%	5%
Normal	33.33%	10%	0%	11%
Boom	33.33%	15%	3%	20%