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Given the tables assuming the relationship is now a MANY - to - MANY relationship, which of the following would represent the correct placement of

Given the tables assuming the relationship is now a MANY-to-MANY relationship, which of the following would represent the correct placement of foreign keys?
PRODUCT (ProductID, Description, Cost)
SUPPLIER (SupplierID, ContactName, PhoneNumber)
1 PRODUCT can have MANY SUPPLIERS
1 SUPPLIER can have MANY PRODUCTS
PRODUCT (ProductID, Description, Cost)
SUPPLIER (SupplierID, ContactName, PhoneNumber)
PRODUCT_SUPPLIER (ProductID, SupplierID)
PRODUCT (ProductID, Description, Cost, SupplierID)
SUPPLIER (SupplierID, ContactName, PhoneNumber)
PRODUCT (ProductID, Description, Cost)
SUPPLIER (SupplierID, ContactName, PhoneNumber)
PRODUCT (ProductID, Description, Cost, SupplierID)
SUPPLIER (SupplierID, ContactName, PhoneNumber, ProductID)
PRODUCT (ProductID, Description, Cost)
SUPPLIER (SupplierID, ContactName, PhoneNumber)
PRODUCT_SUPPLIER (ProductID, SupplierID, PhoneNumber)

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