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Question 12 1.25 Points Safro Corporation has had returns of -5%, 15% and 20% for the past three years. Calculate the standard deviation of the returns. (Hint: Assume this is a sample of the population.) 10.22% B) 22.91% 30.92% 13.23% Question 13 1.25 Points The portion of the risk that can be eliminated by diversification is called: A Specific risk Market risk Interest rate risk Default risk