Using weekly price data of the 30 Dow Jones Industrial Average (DJIA) stocks for the past three years, construct the portfolios listed below. Portfolios Structure: 6 portfolios of 5 stocks, 3 portfolios of 10 stocks, 2 portfolios of 15 stocks, and 1 portfolio of 30 stocks For the portfolios, compute the returns, standard deviations and coefficient of risk variation. Analyze the risk and return patterns and diversification benefits. Based on the risk/return analysis, which portfolio selections are the most profitable? How do the portfolios' performances compare to the SP 500's? What are the advantages and disadvantages of including international stocks in the portfolio? If Mr. Smith chooses to include foreign stocks in the portfolio, how can he use derivatives to hedge against currency risk which can be present from international investing?