Wendy Swan is asked to fill two new positions at her company. The first requires complicated engineering knowledge; the second has no prerequisites and no opportunity for advancement without a college degree. Wendy wants to hire younger workers so they will be more likely to have a long tenure at the firm. The advertisement for the positions placed in a newspaper of general circulation request résumés from "recent college graduate," engineering degrees preferred. Is Wendy's firm subject to any liability based on this advertisement?