Which of the following scenarios describes an inappropriate workplace social behavior or a violation of ethics?

Andreas finds ways to repurpose the empty shampoo bottles at the hotel where he works.
Evander brings home uneaten food from the restaurant where he works to avoid wasting it.
Kala declines a request from her husband to share some inside corporate information.
Paz's coworker tells her that she is thinking of quitting, but Briana doesn't tell her boss.