All of the following actions are considered an unfair labor practice EXCEPT

Select one:

a$.$ interfering with the formation of a labor organization.

b$.$ restraining or coercing employees as part of a union campaign.

c$.$ terminating an employee for expressing their support of the union.

d$.$ giving presentations to employees in order to campaign against the union.

e$.$ refusing to use good faith bargaining when negotiating with the union.