Stocks X and Y have the following risk-return parameters:

Stock	Expected return	Standard deviation
X Y	15% 20%	12% 15%

The correlation coefficient between X and Y is 0.70. The weights of X and Y in the global minimum variance portfolio are,

Select one:

82.89% and 17.11% respectively

77.56% and 22.44% respectively

86.70% and 13.30% respectively

84.62% and 15.38% respectively

Cannot be determined