Answer:
3) Empowerment of frontline workers to improve processes.
Explanation:
Internal customers can be defined as the people who make up the organizational environment and to which services are directed, or as those who receive some type of product, they can be co-workers, managers, directors, bosses, etc.
Therefore, the alternative that most satisfies the question of the question, which is the result of the creation of process teams and the focus on internal customers, is the training of frontline workers to improve processes. The focus on the internal customer corresponds to the training and development of workers' skills so that their work is better performed and more effective to satisfy the internal customer.