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Transform the following entities into 1NF and 2NF entities

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Transform the following entities into 1NF and 2NF entities. Draw the original and final data models, and state any reasonable assumptions. (Note: primary keys are underlined)

AIRCRAFT (AIRCRAFT ID NUMBER, AIRCRAFT CODE, AIRCRAFT DESCRIPTION, NUMBER OF SEATS)

FLIGHT (FLIGHT NUMBER, DEPARTURE CITY, 1{ARRIVAL CITY} n, MEAL CODE, 1{FLIGHT DATE, CURRENT SEAT PRICE}m )

PASSENGER (PASSENGER NUMBER, PASSENGER NAME, FREQUENT FLYER NUMBER, 1{FLIGHT NUMBER, SEAT NUMBER, QUOTED SEAT PRICE, AMOUNT PAID, BALANCE DUE}).

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