A stock had yearly returns of 3% 12% and 21% for the past three years over the same period, the market had a standard deviation of 9%, and the correlation between the stock and the market is 0.60.
(1) What is the average annual rate of return of this stock?
(2) What are the variance and standard deviation of returns of this stock?
(3) What is the beta of the stock?
(4) If the risk free rate is 4% and the expected market rate of return is 10% for next year, what is the expected return for the stock?