John is thinking about investing his money in the stock market. He has the following three stocks in mind: stock A, B, and C. He knows that the economy is expected to behave according to the following table. He believes that the likelihood of each scenario is identical (all states of nature have equal probabilities. He also knows the following about his stocks:

State of the Economy RA RB RC

Depression -20% 5% –5%

Recession 10% 20% 5%

Normal 30% -12% 5%

Boom 50% 9% -3%

1. Calculate the expected returns for stock A, B, and C and the risk(standard deviation for stock A, B, and C.