URGENT: Please show detailed work without the use of excel. If excel is needed, show how fields were calculated

Wou ire given the following information. a. Find the expected return on AT stock and GiD stock: [3+. - 6 marka] b. Find the stazdard deviation on AT and CD stock returns. [448 maks] c. Find the covariance between returns ce AT atd GD stocks. [4 marki] d. If you create a portfolio with 60% wealth in AT stock and renaining on GD stock, find the expected retarn and standard deviation of your pertfolio. [4 4 - ge maeka] e. Comments on sandard deviation of above portfolio which is way below the average stardard deviation of stocks in the pertolio. V Matr: What hefor no profice pordolie rist