You have a capital of $5,000. You wish to form an equally weighted portfolio of X and Y shares. The characteristics of these securities are as follows:

	Rate X	Rate Y
Expected return	10%	14%
Standard deviation	25%	32%

Calculate the expected return and standard deviation of your portfolio in each of the following cases :

a) Correlation coefficient between security returns = 1

b) Correlation coefficient between the returns of the securities = 0

c) Correlation coefficient between the returns of the securities = - 1