i. Calculating Returns Suppose a stock had an initial price of $79 per share, paid a dividend of $1.45 per share during the year, and had an ending share price of $88. Compute the percentage of total return.

ii. Calculating Returns and Variability Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. Returns Year X. Y 1. 15%. 21% 2. 26. 36 3. 7. 13 4. -13. -26 5 11. 15 iii. Calculating Returns and Variability You've observed the following returns on Regina Computer's stock over the past five years: 7%, - 12%, 11%, 38%, and 14%. a. What was the arithmetic average return on Regina's stock over these five years? b. What was the variance of Regina's returns over this period? The standard deviation?

iv. Arithmetic and Geometric Returns A stock has had returns of 9%, 21%, 32%, - 18%, 27%, and - 12% over the last six years. What are the arithmetic and geometric returns for the stock?