ii . Intermediate 4 Consider the rate of return of stocks Alpha and Zulu Year 1 2 3 4 2056 12 14 3 1 305 12 18 O -10 CHAPTER 24 Portfolio Performance Evaluation 881 Calculate the arithmetic average return on these stocks over the sample period. Which stock has greater dispersion around the mean! c. Calculate the geometric average retums of each stock. What do you conclude d. If you were equally likely to earn a return of 20%, 12% 144,3%, or St, in each your these are the five annual returns for stock Alpha), what would be your expected rute of return? What if the five possible outcomes were those of stock Zulu