The police department of Mason, IL consists of 90 full-time officers varying in ages, from 21 to 59. The tenure of the officers also varies with some being newly hired and others with 10 or more years of service to the force. The city just instituted a pay-for-performance plan that states that police officers who have better performance will receive increased compensation after biyearly performance appraisals. A police officer's job requires strong physical ability in most situations and the performance appraisal includes assessment of physical ability to perform the job.