3% on Who Sarah is looking at her prospects of selling her investment she made 5 years ago, below is the details of her average returns for the last 5 years. Annual Rate of Year Return 0 1 2 -5% 3 6% 4 -2% 5 5% a) 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 18% 0.1 9% 0.3 6% 0.2 D -2% 0.1 E -5% 0.3 c) Calculate the expected return of XYZ Corp. for Sara. d) Calculate the Standard Deviation of XYZ Corp. A B