May I have a help on my assignment please

Given the following for Asset A and Asset B

State of economy Probability ofState of Economy Rate of Return if StateOccurs

Asset A Asset B

Recession .20 -.15 .20

Normal .50 .20 .30

Boom .30 .60 .40

a.What is the Expected Return/Outcome for Asset A?

b.What is the Expected Return/outcome for Asset B?

c.What is the standard deviation for Asset A?

d.What is coefficient of variation for Asset B?