Gas stations, supermarkets, and airlines that have unstaffed check-out or check-in terminals are providing what level of retail service?

Multiple Choice

A) self-service

B) limited-service

C) automated-service

D) full-service

E) customized-service

The answer is: A) self-service

Explanation:

Self service can be defined as the serving of oneself.

This happens when a client serves himself with goods or services offered by a business without the aid of a waiter, clerk, attendant, etc.

Sometimes that same client might even pay for the goods or services by himself usually thorough electronic payment devices (credit cards, phone apps, etc.), without any human cashier.