Question: 9.60 In the questions associated with the Petrie Electronics case at the end of Chapter 8, you were asked to modify the E-R diagram given

9.60 In the questions associated with the Petrie Electronics case at the end of Chapter 8, you were asked to modify the E-R diagram given in PE Figure 8-1 to include any other entities and the attributes you identified from the Petrie cases. Review your answers to these questions, and add any additional needed relations to the document in PE Figure 9-1.

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