Which of the following is an example of what equity theory refers to as an external comparison?

Multiple Choice

Marci feels like she is probably the least skilled player in the city orchestra.

Syd often calls other dentists to ask where to get supplies for the best price.

Bailey is angry after finding out that opticians in other offices earn more than he does.

Emmi thinks the other two receptionists in her office get longer lunches than she does.

Ashley feels guilty after learning that she beat out her best friend, Morgan, for a promotion.