Q18a)Mary Guilott recently graduated from Nichols State University and is anxious to begin investing her meager savings as a way of applying what she has learned in business school. Specifically, she is evaluating an investment in a portfolio comprised of two firms' common stock. She has collected the following information about the common stock of Firm A and Firm B: Expected Returns Standard Deviation 0.15 Firm A's Common Stock 0.11 0.06 Firm B's Common Stock Correlation Coefficient If Mary decides to invest 10% of her money in Firm A's common stock and 90% in Firm B's common stock,what is the expected rate of return and the standard deviation of the portfolio? 0.11 0.5