Answer: Customer relationship management
Explanation: Customer relationship management is the process which focuses on building customer royalty and positive relationships with the current and potential customers. It is based on giving quality service and maximum satisfaction to the customer, by fulfilling their specific needs and preference.
In the given case, Franco is taking care of customer needs by keeping records. By managing such records he can make sure to have sufficient stock in hand for fulfilling the orders.
Hence, Franco's system is a part of customer relationship management.