Use the historical returns for Stocks X, Y and the market to answer the following questions. 
       
Historical Returns:      
Year Stock X Stock Y Market
2016 14.00 14.00 13.00
2017 18.00 7.00 11.00
2018 -14.00 -2.00 -13.00
2019 4.00 2.00 2.00
2020 23.00 11.00 12.00
       
a. Find the average rate of return for each during the 5 year period.      
b. Calculate the standard deviation for each      
c. Find the Beta for each stock      
d.  Using your betas and the following information find the required rate of return on the stocks
Risk-free rate, rRF 4.00%    
Market risk premium, RPM 6.00%    
(Market risk-Risk Free rate)      
e.  Your portfolio consists of :      
% of Stock X in Portfolio 80%    
% of Stock Y in Portfolio 20%    
Find the portfolio beta      
f. Find the portfolio rate of return using the same percentages as e