You want to design a database for an automobile dealership with three locations. A vehicle's data fields include stock number (a common name for SKU (Stock Keeping Unit)), vehicle identification number (VIN), make, model, year, color and invoice cost. Identify the possible candidate keys, the likely primary key, probably foreign keys, and potential secondary keys for the Vehicle table. Identify other tables the Vehicle table might need to form a relationship (or link with).
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