As per your objective, the following customer related analytics would be useful for the users:

Visit frequency: Users would want to know how often their customers visit the restaurant, as this can help them understand customer loyalty and retention.

Order size: Knowing the average order size can help users optimize their menu offerings, pricing, and marketing strategy to increase revenue.

Preferred menu items: Users would benefit from knowing which menu items are most popular among their customers, so they can promote these items or develop similar dishes to attract more customers.

Other useful customer related analytics include customer demographics, customer churn rate, and customer feedback analysis.
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