Final answer:
The question pertains to 'The Great Gatsby,' where Jay Gatsby works for his mentor, Dan Cody, for five years.
Step-by-step explanation:
The subject of the question appears to be related to the novel The Great Gatsby, written by F. Scott Fitzgerald. In the context of the novel, Jay Gatsby befriends Dan Cody, who becomes his mentor.
Gatsby worked for Cody for a number of years before inheriting a fortune upon Cody's death. While the specific duration is not given in the context provided, the novel states that Gatsby worked for Cody for five years before Cody's passing.
In F. Scott Fitzgerald's novel The Great Gatsby, Dan Cody becomes Gatsby's mentor and best friend. Gatsby spends the next five years working for Cody.