Labour- Market Discrimination,which Keeps One Group of Workers Out of Elite

Labour- market discrimination,which keeps one group of workers out of elite (E) occupations and limits them to ordinary (O) occupations,will have which of the following effects?

A) an increase in supply and lower wages in the O occupations
B) a decrease in supply and lower wages in the O occupations
C) a decrease in supply and lower wages in the E occupations
D) an increase in supply and higher wages in the E occupations
E) an increase in supply and lower wages in the E occupations