______ occurs when an employee in a lower-level job earns nearly as much or the same as another employee in a higher-level job, the latter of whom might even be the supervisor of the employee performing the lower-level job. ______ occurs when an employee in a lower-level job earns nearly as much or the same as another employee in a higher-level job, the latter of whom might even be the supervisor of the employee performing the lower-level job. Internal equity Pay inversion Aging of pay data Pay compression