Download the monthly stock return for the selected companies (GDEX and Supermax Corporation Berhad) from the website investing.com, together with KLCI index for the last 10 years. For each stock and the KLCI index returns, calculate: (i) Average yearly rate of return (ii) Standard deviation (iii) Beta Assume a portfolio of the two selected stocks with equal weightage, calculate: (iv) Portfolio return (v) Portfolio risk. (Note: Students should use Excel worksheet to assist their calculations for this question and should submit the worksheet together with their assignments)