The price of snacks on a plane

An abuse of monoploy power? thanks to tutor2u for this
http://www.tutor2u.net/economics/blog/snacks-on-a-plane?utm_medium=email&utm_campaign=Economics%20daily%20digest%20Wed%209th%20March%202016&utm_content=Economics%20daily%20digest%20Wed%209th%20March%202016+CID_817aa50346dd916479cf5e266906c095&utm_source=CampMonitor&utm_term=Snacks%20on%20a%20plane%20Many%20of%20us%20have%20probably%20assumed%20this%20for%20years%20but%20now%20a%20study%20has%20been%20carried%20out%20showing%20just%20how%20high%20the%20profit%20margins%20are%20for%20budget%20airlines%20on%20the