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5) Mega Corporation has the following returns for the past three years: 7 percent, 13 percent, and 10 percent. Use the following formulas to calculate the variance of the returns and the standard deviation of the returns: Variance (im) = expected value of (m-rm)2. Standard deviation of r. = variance(rm). m A) 30.00 and 10.00 percent C) 64.00 and 8.00 percent B) 6.00 and 2.45 percent D) 124.00 and 11.10 percent