Produce a set of relations (equivalent to the Finkelstein entity list) in third normal form (3NF) from the following un-normalised relation. You must use the Finkelstein methodology as used in the study book and tutorials.

RESERVATION(reservation id, date of reservation, start date, end date, (( customer id, customer name, customer address, customer type, customer type description, ((customer preferences)), customer credit card number )), payment method, hotel id, hotel name, hotel address )

Notes:

1. A reservation is for one hotel only but could be for one or many customers.

2. There are three customer types: corporate, private and concession.

3. A customer may have many preferences, for example room type or a specific paper in the morning. There are no preference codes. Preferences are stored per reservation and are not held permanently.