Customer value is associated with the kind of gratification or value that a customer gains or experiences after communicating with a firm or company for purchase or sale of a product or service.
As per the question, the distinct combination of advantages that the users receive from 3M's flag highlighter like durability and convenience exemplify 'customer value'(gratification) that the users/customers experience in return for the amount they pay for the service from the company. Therefore, <u>'customer value'</u> is the answer.
