Draw a use case diagram for a restaurant system that contain the following functional requirements: Thesystemwillallowacustomerandservicepers onto order food. • Thesystemwillallowmanagerto: - Hire employee. - Produce management reports.

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A: Below is the answer to above question. I hope this will meet your requirements.  

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A:

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A: Step by step code is given below.

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A: one can identify the real-world identity associated with a certain user ID on a public blockchain.

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A:

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