Sarah is looking at her prospects of selling her investment she made 5 years below is the details of her were for the Annual Rate of Year Rotum o 1 3% 2 3 0% 4 a) Calculate the Arithmetic Average 5 5% 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 B 9% 0.3 6% 0.2 D -2% 0.1 E c) Calculate the Expected return of XYZ Corp. for Sara. -5% 0.3 d) Calculate the Standard Deviation of XYZ Corp