Kyle Receives Two Free Passes to the Symphony as a Bonus

Kyle receives two free passes to the symphony as a bonus at work.He has never been to the symphony before,and,therefore,would never buy such tickets for their face value of $120.Kyle decides to use the tickets.This type of behavior is:

A) irrational,since Kyle would not pay $120 for the tickets,yet gives up $120 by not selling them.
B) rational,since Kyle can check out the opera and not have to pay for it himself.
C) irrational,since Kyle ignores his sunk cost of $120.
D) rational,since Kyle does not ignore his sunk cost of $120.