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Observe the ER diagram for the ABC Retailer: ABC RETAILER (ERD) Promot PromoName Date ProductID Description PROMOTION Associated with +4 PRODUCT BelongsTo BrandID BRAND BrandName

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Observe the ER diagram for the ABC Retailer: ABC RETAILER (ERD) Promot PromoName Date ProductID Description PROMOTION Associated with +4 PRODUCT BelongsTo BrandID BRAND BrandName Which of the following is true according to the ABC Retailer ER diagram? We cannot keep track of products that belong to any brand We must keep track of products that do not belong to any brand We can keep track of products that do not belong to any brand We cannot keep track of products that do not belong to any brand O All of the above

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