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4. We want to designe a database to manage the fleet of a small taxi company. We start with the following table: vehicle(VIN, make, model, year, color, mileage, status, driver_SSN, driver_name, driver_contact, dealer_name) We have the following dependencies: VIN, driver_SSN make, model, year, color, mileage, status, driver_name, driver_contact, dealer_name VIN make, model, year, color, mileage, status driver_SSN driver_name, driver_contact make dealer_name Please identify the candidate keys and BCNF violations (if any). If the table is not in BCNF, decompose it into BCNF ( 9 points)