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13. [6 points) For the questions below, consider the following entity relationship diagram. Part no Description Manufacture_date PART Batch_no Supplier_name List price Drawing.no MANUFACTURED PART

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13. [6 points) For the questions below, consider the following entity relationship diagram. Part no Description Manufacture_date PART Batch_no Supplier_name List price Drawing.no MANUFACTURED PART PURCHASED PART a. (2) What attributes would an instance of a purchased part have in this data model? b. (2) Can a part be both a manufactured part and a purchased part? C. (2) Can a part be neither a manufactured part nor a purchased part

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