It's good to help people out with their problems.
Jennifer just started her new office job and noticed that one of her co-workers is having trouble figuring something out.
Jennifer wants to make a positive impression on her supervisor.
Jennifer walks up to her coworker and asks him if he would like some help with the problem.
Jennifer decides to work out the problem on her own and submits the solution to her supervisor before her coworker does.
Jennifer's coworker is grateful that she helped him figure out the problem and invites her out to lunch.
Jennifer's coworker forms a negative impression of her and tells the rest of the office about how ruthless and competitive she is.