Answer:
a. a lawful action that is not a tort.
Step-by-step explanation:
A tort refers to some wrongful act or some infringement of any right which is other than under any contract which leads to a legal liability. It is based on a civil law. People are liable for their actions taken against another both accidentally or intentionally.
In the context, the customers who is regular to Purity Cleaners tries to patronize or condescend OK Dry Cleaners instead of Purity Cleaners. This is lawful action, however not a tort.