Using cardinalities shown in the partial ER diagram, name the Foreign Key(s) (FK) that should be placed into the respective tables. If no foreign key is required in a table, then indicate NONE. Add any table(s) and Keys that may be needed Customer Table Salesman Table (PK) Customer Num (PK) Salesman Num None None Cash Receipts Table Sales Order Table M M Inventory Table M. (PK) Cash Rec Num (PK) Invoice Num (PK) Part Number Customer Num (FK) Customer Num (FK) Salesman Num (FK) M 1 None Part Number (FK) M4 Supplier Table Link Table (PK) Vendor Num M (PK) Part Number (PK) Vendor Num None