The Sandberry Police Department Transferred Alvin Durkin from a Patrol

The Sandberry Police department transferred Alvin Durkin from a patrol officer to a desk job.Alvin is 50 years old.The police department has a mandatory retirement age of 50 for all patrol officers.When the officer reaches the age of 50,he/she is automatically transferred to a desk job.At that time,the officer can apply for early retirement.Alvin was highly offended and filed a claim for age discrimination under the ADEA.

A) Alvin has a claim because mandatory retirement violates the ADEA.
B) Police departments are exempt from the ADEA's prohibition of mandatory retirement.
C) Alvin does not have a claim for age discrimination because he was not fired.
D) The police department will be liable because Alvin was transferred without his permission.