Rheingold Supply has a seniority system by which employees who have worked the longest are first in line for promotions and last to be laid off. As a result, most of the senior managers at Rheingold Supply are men. If Jane files a claim of illegal discrimination, Rheingold Supply:
a. will have a legitimate defense because gender is a bona fide occupational qualification for senior management.
b. will have a legitimate defense because Rheingold Supply has a seniority system in place.
c. will have a legitimate defense because retaining men in top management positions is a business necessity.
d. will be in violation of Title VII of the Civil Rights Act.