Margaery works at a brokerage firm selling stocks and bonds. In her reviews, she is often told that she is one of the top employees both in terms of sales and overall attitude. However, Margaery often finds that her male colleagues are more often asked to stay late on important projects, more likely to be asked to informal gatherings with supervisors, and often hear about new promotions before her. A sociologist would describe Margaery's experience in relation to which term regarding gender differences in the workplace