Bayani: Babu haraji ko wasu haraji akan kayan da ake siyarwa ba ya tabbatar da cewa sun kasance cinikayya. Kudin kayayyaki iri ɗaya daga kafofin kyauta daban-daban na iya bambanta sosai. Sau da yawa suna dogaro da kasancewar ko babu gasa na kusa, misali, shagunan filin jirgin sama, musamman idan duk a kowane filin jirgin sama mallakar kamfani ɗaya ne kamar Dufry. Hakanan, farashin na iya hawa sama da farashin saukaka mai siye, misali, tallace-tallace a cikin jirgin sama ta kamfanonin jiragen sama. Kamfanonin jiragen sama da yawa, kamar Emirates, El Al, Singapore Airlines, Middle East Airlines, Ukraine International Airlines, Delta, da Avianca, Tambaya: menene zai iya haifar da hauhawar farashin?
farashin mai saye saukaka, misali, a cikin jirgin tallace-tallace da kamfanonin jiragen sama