"Question 2" Ms. Alya Jawaher is interested to invest her funds in Bahrain's telecommunic sector and considering two stocks: Zain and STC. A total of 57% of her portf allocated to Zain stock, whereas 43% invested in STC stock. The rate of return for each stock across different economic scenarios are giv below table: Economic Situation Burst Normal Boom Expected return Variance Standard Deviation Probability Zain STC Portfolio 33.3% 33.3% 33.3% Rate of Return Answer the below questions: -7% 17% 12% 7% 28% -3% square deviatic a. Calculate the expected return for Zain stock and STC stock (2 marks) b. Calculate the variance for Zain stock and STC stock (2 marks) c. Calculate the standard deviation for Zain stock and STC stock (2 mark: d. Calculate the portfolio's expected return (2 marks) e. Calculate the portfolio's variance (2 marks) f. Calculate the portfolio's standard deviation (2 marks)