3. Calculating Dollar Returns You purchased 275 shares of a particular stock at the beginning of the year at a price of $89.73. The stock paid a dividend of $1.42 per share, and the stock price at the end of the year was $96.18. What was your dollar return on this investment? 7. Calculating Returns and Variability Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y