This is an ok answer, but try another for more perspective.

In matters like this, it may benefit people like Dulcie who feel they have been treated unfairly to enquire with multiple agencies about their rights.

This is helpful advice, but try another answer.

Try another option.

There is at least some potential for a complaint of discrimination. You might want to have a look at the scene again.

Good answer.

Equal opportunity laws would put responsibility on the store not to treat customers less favourably on the basis of their race.