Answer: The employee's relationship with their immediate manager.
Step-by-step explanation:
Despite the fact that the options given have an effect on how long an employee will stay in an organization, the greatest impact will be the employee's relationship with their immediate manager.
When a worker has a bad relationship with their immediate manager, this beings about disruption in communication and there won't be a cordial relationship with the manager. This affects the worker and can lead to the worker finding another job.