In Lehnert V

In Lehnert v.Ferris Faculty Association,the U.S.Supreme Court held that:

A) all activities undertaken by a union's officers,on behalf of the union,may be legally funded with the moneys paid by free riders.
B) some activities,such as public relations,undertaken by a union's officers,on behalf of the union,may not be legally funded with the moneys paid by free riders.
C) it is an unfair labor practice to require nonunion employees to pay union dues.
D) it is an unfair labor practice for an employer to refuse to bargain over permissive bargaining subjects,if these subjects are "inextricably intertwined" with mandatory bargaining subjects.