Transform the following entities into 3rd Normal Form (3NF) entities. Draw the original and final data models, and state any reasonable assumptions. AIRCRAFT, which is described by the following: AIRCRAFT ID NUMBER (primary key), AIRCRAFT CODE, AIRCRAFT DESCRIPTION, and NUMBER OF SEATS. FLIGHT, which is described by the following: LIGHT NUMBER (primary key), DEPARTURE CITY, one or more ARRIVAL CITY(S), MEAL CODE, and one or more FLIGHT DATES and CURRENT SEAT PRICES. PASSENGER, which is described by the following: PASSENGER NUMBER (primary key), PASSENGER NAME, FREQUENT FLYER NUMBER, one or more of the following: FLIGHT NUMBER, SEAT NUMBER, QUOTED SEAT PRICE, AMOUNT PAID, and BALANCE DUE