[4 points] Your current portfolio consists of three stocks. Each stock has equal weight in the portfolio. Next year's possible returns for these stocks and their probabilities of occurring are listed in the table below. Volcom Probabilities Google 20% 5% 55% 10% 25% 18% Calculate: a. The weights for each stock in the portfolio Possible Returns Coca-Cola 3% 8% 12% 1% 7% 14% b. The possible returns and expected return for Coca-Cola c. The standard deviation and coefficient of variation for Coca-Cola