AMA Exam PCM Topic 9 Question 76 Discussion

Hugo, impressed by a popular NFL star's frohawk hairstyle, visits Angelo's Hair Salon to get the same hairstyle. The stylist at Angelo's is very good and gives Hugo the exact style that he wants. Having received good service, Hugo visits Angelo's three months later to get a mohawk hairstyle. This time, Hugo is not satisfied with the end result and decides not to come back to Angelo's again. Which of following aspects of a service is illustrated in this scenario?