; (iii) any difference in the fare likely to be paid for a ticket sold to another passenger for a seat made available by the change or cancellation, as compared to the fare paid by the passenger who changed or canceled the passenger’s reservation; and (iv) the likelihood that the passenger changing or cancelling the passenger's reservation will fill a seat on another flight by the same air carrier; (B) the costs of processing the change or cancellation electronically; and (C) any related labor costs; (2) with respect to a fee described in subsection (b)(2) imposed by an air carrier relating to checked baggage— (A) the costs of processing checked baggage electronically; and (B) any related labor costs