They expect to receive about 448 customers for the following 16 hours (the store is open from 7 AM to 11 PM), and each server is capable of serving 15 customers per hour in average (the service time is not constant). If the cost of waiting of the customers is $45 per hour, and the cost of each cashier is $20 per hour, how many cashiers do you suggest the store should have available during the day to minimize the total cost? They currently have 2 cashiers. Please compare your optimal number of cashier with the current situation. Find the optimal number of cashiers that minimizes the total cost (service cost + waiting cost), compare the total cost with the current situation (with two cashiers), and indicate the expected savings.

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Ans It is expected to receive about 448 customers for the following 16 hours This means per hour ... View the full answer