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Problem 47 will use the same database. Let a database application be Model ={ Supplier, Products, Supplier information, Project } Which contains the information that you will buy products (Coke, Apples,...) from suppliers (Walmart, K-mart,..). Multiple products will be used in the Projects (basket ball team, volley ball team, ...). Product costs are the main factors for selecting a supplier. Supplier information contains additional information about a supplier (Emergency contact person, emergency contact phone, ...) This Supplier information will be updated from time to time; for example, Emergency contact person can be changed The business rule required the database to keep all of the old Emergency contact person. What is the relationship between Supplier and Project? One-to-many relationship Many-to-many relationship None of the above One-to-one relationship