Part a) Consider the following information about Equities A and B : Assume that the three states of the economy are equally likely, the return on the market is 12 ant, and the risk free rate is 3 per cent. quired: 1. Calculate the expected return of Equity A. Explain your workings. 10 Marks if. Calculate the variance and standard deviation of Equity B. Explain your workings. 20 Marks iil. Calculate the beta coefficient (' ') for Equity A and Equity B. Explain your workings. 10 Marks