Question: I am making a ERD model for a small retail store database that sells over the counter medicines. I have the entity types Customer, medicine,

I am making a ERD model for a small retail store database that sells over the counter medicines. I have the entity types Customer, medicine, manufacturer, and pharmacist. The pharmacist to customer relationship is a many to many and medicine to manufacturer is a many to many. I need help making an associative entity for both relationships.

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