Answer:
The correct answer is letter "B": service quality depends on when, where, and how they are provided.
Step-by-step explanation:
Service variability is related to the changes in quality a given service can have according to the provider. Those changes in varieties are shaped based on the type of service, the consumer, the time, and the method by which the service will reach the consumer. In such cases, companies need to identify different types of clients, manage different channels to reach clients, and offer different services.