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Eight months ago, you purchased 400 shares of Winston, Inc. stock at a price of $54.90 a share. The company pays quarterly dividends of $.50 a share. You have received dividends twice. Today, you sold all of your shares for $49.30 a share. What is your total percentage return on this investment? a. -10.2 percent b. -9.3 percent c. -8.4 percent d. 12.0 percent e. 13.4 percent What are the arithmetic and geometric average returns for a stock with annual returns of 21 percent, 8 percent, -32 percent, 41 percent, and 5 percent? a. 5.6 percent; 8.6 percent b. 5.6 percent; 6.3 percent c. 8.6 percent; 5.6 percent d. 8.6 percent; 8.6 percent e. 8.6 percent; 6.3 percent A stock had returns of 8 percent, -2 percent, 4 percent, and 16 percent over the past four year What is the standard deviation of this stock for the past four years? a. 6.3 percent b. 6.6 percent c. 7.1 percent d. 7.5 percent e. 7.9 percent The hypothesis that market prices reflect all historical information is called _____ form efficiency. a. open b. strong c. semi-strong d. weak e. stable