Consider the following information:

State of Economy	Probability of State Economy	Rate of Return if State Occurs Stock A	Rate of Return if State Occurs Stock B
Recession	0.10	0.05	-0.18
Normal	0.50	0.08	0.16
Boom	0.40	0.15	0.32

Required:

(a)	Calculate the expected return for Stock A. (Do not round your intermediate calculations.)

(b)	Calculate the expected return for Stock B. (Do not round your intermediate calculations.)

(c)	Calculate the standard deviation for Stock A. (Do not round your intermediate calculations.

(d)	Calculate the standard deviation for Stock B. (Do not round your intermediate calculations.)