2. You bought a stock one year ago for $20. Today, it is worth $24. Calculate the stock's dividend, if your holding period return is 60%? Your answer 3. You have been given the following sample of stock returns,{5, 2, 12. 0.-4.) Answer the following questions 3a), 3b) and 3c. 3c)Calculate the mean. Your answer 3b) Calculate the Variance. Your answer 30) Calculate the standard Deviation