Final answer:
Option (4), Customer utility models benefit businesses by clearly delineating functions, optimizing service design, and identifying potential failure points.
Step-by-step explanation:
The question asks which of the options best describes the benefits that are possible when utilizing customer utility models. Customer utility models are used to optimize the design of services and to examine potential failure points to enhance customer satisfaction.
The correct answer is all of the above as customer utility models provide clarity between front-office and back-office functions, allow for the optimization of the service design, and enable the identification of potential service failure points.