Abstract: A customer or patient management system implemented on a computer or computer network is disclosed that includes at least one electronic device having a display; a memory; and a processor operating in accordance with software for receiving a unique identifier associated with a customer and the identifier is associated with a predefined marketing campaign. The system captures and stores data that allows for the calculation of payment history for each customer and the cost data relating to the advertising and promotion expenditures for each customer that originates from each predefined marketing campaign and correlating the revenue and expenditure data for each customer in a visual display.