4. Employees at a motor company are members of a union. Under which circumstance has the union committed an unfair labor practice?

Answer: C

Explanation:

The union abruptly leaves during a bargaining session after three hours of a heated discussion on CEO pay.

Leaving a bargaining session unexpectedly can be viewed as a failure to engage in good faith negotiation, which constitutes an unfair labor practice. This behavior disrupts the bargaining process and can undermine the collective bargaining rights of the workers represented by the union.

A) The union comes to the bargaining table with a demand for an across-the-board wage increase that substantially exceeds the projected rate of inflation.

This scenario does not constitute an unfair labor practice. Unions have the right to propose wage increases based on their assessment of workers' needs and economic conditions, even if those demands exceed inflation rates.

B) The union calls for a strike prior to its deadline, summoning all workers to walk the picket line.

Calling for a strike is a protected activity under labor law, provided it is done in accordance with legal protocols. This action does not represent an unfair labor practice as unions are entitled to strike to advocate for their members' rights.

C) The union abruptly leaves during a bargaining session after three hours of a heated discussion on CEO pay.

This action reflects a lack of commitment to good faith bargaining, which is essential for effective negotiations. By leaving the session abruptly, the union fails to uphold its responsibility to negotiate in a manner that considers the interests of both parties, thus committing an unfair labor practice.

D) The union comes to the bargaining table insisting on an unreasonable amount of paid time off days for its employees.

While the union may advocate for more paid time off, the mere act of insisting on what could be perceived as unreasonable does not automatically constitute an unfair labor practice. Negotiations can involve demands that one party may view as excessive, but this does not violate labor laws unless accompanied by other improper conduct.

Conclusion

The union's abrupt departure during a bargaining session is a clear violation of the duty to negotiate in good faith, making option C the correct answer. In contrast, the other options involve actions that are permissible under labor law, reflecting the union's rights to advocate for its members. Therefore, C distinctly illustrates an unfair labor practice, while A, B, and D do not breach any legal obligations.