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Your portfolio consists of 100 shares of CSH and 75 shares of EJH, which you just bought at $15 and $30 per share, respectively. a. What fraction of your portfolio is invested in CSH? In EJH? b. If CSH increases to $20 and EJH decreases to $28, what is the return on your portfolio? The following table contains prices and dividends for a stock. All prices are after the dividend has been paid (ex-dividend). If you bought the stock on January 1 and sold it on December 31, what is your realized return? Hint: Make sure to round all intermediate calculations to at least five decimal places. The last four years of returns for a stock are as follows: a. What is the average annual return? b. What is the variance of the stock's returns? c. What is the standard deviation of the stock's returns