Catherine, aged $59,$ was employed as a make$-$up artist with a local department store. The company hired a new manager. He fired Catherine and gave her job to Katrina, age $42.$ Catherine is alleging age discrimination.

Question $3$ options:

a$)$

Catherine cannot claim age discrimination because Katrina at age $42$ is a member of the protected class as well.

b$)$

Catherine cannot claim age discrimination because the employer has a mandatory retirement age.

c$)$

Catherine can claim age discrimination because the employer did not correctly apply the provisions of OWBPA.

d$)$

Catherine can claim age discrimination even though her replacement was a member of the protected class.