If Mary overhears Tom discussing his salary with Susie, what should she do with that information?

The appropriate action in this scenario is to maintain confidentiality regarding the information Mary overheard. Salaries are typically considered private information and discussing them can lead to various issues, such as breaches of trust and workplace tension. By keeping the details of Tom's salary conversation confidential, Mary respects Tom's privacy and avoids potential conflicts or repercussions that could arise from sharing sensitive information.

In a professional environment, it’s important to foster a culture of trust and discretion, as well as adhere to workplace policies regarding confidentiality. Upholding this standard not only demonstrates integrity on Mary’s part but also contributes to a more respectful workplace atmosphere. Sharing such information could lead to misunderstandings, resentment, and wider discussions that might negatively affect interpersonal dynamics within the team or organization. Therefore, keeping the information to herself is the most responsible choice in this situation.