Under the Equal Pay Act:

a$.$ wage differentials based on a seniority system are allowed.

b$.$ if there is an unlawful pay differential, employers may reduce the higher rate to equal the lower rate.

c$.$ employers must pay a married male a higher wage rate than a single female if both are performing equal work.

d$.$ white$-$collar workers are exempt from its requirements.

e$.$ None of these choices are correct.