Answer:
Letter a. A service must be a tangable good.
Step-by-step explanation:
Services can be defined as a product of human activity whose objective is to satisfy a need. A service cannot be a material good, to identify a service four main characteristics must be considered:
1- Intangibility: Services are not tangible. That is, they cannot be touched, seen, tasted. They are ideas and concepts. The consumer is influenced to choose a service by the reputation of the service.
2- Inseparability: Services are created and consumed simultaneously. One of its characteristics is the customer's presence in the development of the service, which causes immediate satisfaction or dissatisfaction.
3-Variability: The service will not always be the same when running more than once. It can be caused by outsourcing services and cause problems to maintain the quality and satisfaction perceived by customers.
4-Perishable: Services must be consumed immediately, or they will be lost. It cannot be stored.