Question- Ithmaar Bank plans to invest BD 100,000 from its retained earnings for the previous years through buy one of the following stocks, as you are a financial analyst for the bank you offered for the bank the following information about two stocks: [10 marks] Year Stock Z Stock Y 1 15% 11% 2 18% 16% 3 21% 21% 4 24% 28% Required: A-Calculate the expected return for each stock. (3 marks) B- Calculate the risk (standard deviation and coefficient variation) for each stock. (5 marks) C-Based on your calculation which stock you advice to be the bank to purchased, and why? (2 marks)