Sarah is looking at her prospects of selling her investment she made 5 years ago, below is the details of her aterage returns for the last 5 years. Annual Rate of Year Return 0 5 1 8% 2 9% 3 7% 4 -10% 6% * Calculate the Arithmetic Average. b) Calculate the Geometric Average Sara Also holds stocks of XYZ. Corp. and wants to find out the Risk and return with the following details below. Rate of Return Probability 20% 0.2 10% 0.3 8% 0.1 -2% 0.2 E -0% 0.2 c) Calculate the expected return of XYZ Corp. for Sara. d) Calculate the Standard deviation of XYZ Corp. SUO