Mrs. Paul the owner of several supermarkets across the country, is concerned about the errors being made by the cashiers while carrying out their daily duties. Customers are constantly complaining about being overcharged for items and this has significantly affected customer service.  Mrs. Paul is very worried and has sought your help on this matter.  Her inventory and cashiering system only carry prices which are stuck to each item, which then needs to be manually entered to calculate the final price.   What is the underlying problem as it relates to the errors being made and recommend a solution, incorporating technology,  to avoid a recurrence of this going forward.

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