Answer: A. The actions of the clerk and carrier unions are not prohibited, and management does not have any recourse to recover damages nor to win an Unfair Labor Practice.
Step-by-step explanation:
An unfair labor practice simply occurs when the National Labor Relations Act is being violated. Some if the unfair labor practice include when a worker is threatened when he or she files a ULP charge. Also, the refusal to negotiate with an agency in good faith etc.
In the scenario in the question, we should note that the actions of the clerk and the carrier unions are not prohibited, and then the management does not have any recourse to recover damages nor to win an Unfair Labor Practice.
Therefore, the correct option is A.