During the call to invite David for an interview at a major cosmetics company, the interviewer asked David if he had a Facebook page. David honestly answered that he did. A few days later, the interviewer's assistant called David and cancelled the interview. A friend who works for the cosmetics company said that he heard that David's interview was cancelled because the interviewer found out David was disabled and had to use a wheelchair, information that would have become available if the interviewer looked at David's Facebook page. David may be able to prove that he was the victim of

a. disparate treatment.
b. disparate impact.
c. disability harassment.
d. retaliation.

Ans: a. disparate treatment.