Q3: below are actual returns for three securities for each of 6 month (5 Marks) Note: it will be easier for you using the Excel. Security 12 A 3.7% 4% -6.58 1.4% 6.29.2.1% B 10.5% 5% 3,7% 10% 3,4% -1,4% 1.4% 14.9% -14% 10.8% 499.16.99 1- Compute the average monthly returns for each security? 2. Compute standers deviation of monthly returns of each security? 3- Compute the coefficient of variation for each security above +Compere between securities (order)