Consider the following information:

State of Economy Probability of State of Economy Rate of Return if State Occurs

Stock A Stock B

Recession $\mathrm{.}20\mathrm{.}04\mathrm{.}18$

Normal $\mathrm{.}50\mathrm{.}08\mathrm{.}12$

Boom $\mathrm{.}30\mathrm{.}13\mathrm{.}34$

Calculate the expected return for Stock A$.$

Calculate the expected return for Stock B$.$

Calculate the standard deviation for Stock A$.$

Calculate the standard deviation for Stock B$.$