Gwen and Tom work together and are both candidates for the same promotion. Even though Gwen is more qualified, their manager promotes Tom. He justifies his decision by saying, "Gwen and her husband are talking about having kids; if they do, Gwen just won't have the time to devote to this job." The manager's justification is an example of which of the following? Select answer from the options below Glass ceiling Leaking pipeline problem Gender subcultures Revolving door syndrome