Please include excel formula if possible

2. An investment manager thinks Stock ABC has a return distribution as depicted via the six scenarios in Table A. Calculate the stock's expected return, and standard deviation. TABLE A Level of Probability of Return Associated Prob x Return Demand Occurrence with Occurrence Weak 0.25 -30% -7.50% Below Average 0.2 -10% -2.00% Average 0.1 15% 1.50% Above Average 0.15 30% 4.50% Strong 0.15 40% 6.00% Very Strong 0.15 50% 7.50% i. What is the Expected Return on Stock ABC? ii. What is the Variance of the Expected Return on Stock ABC? iii. What is the Standard Deviation of the Expected Return on Stock ABC