Steven recently purchased a meat packing plant in which the employees are unionized. Steven confesses that he knows almost nothing about labor law. In advising him about the National Labor Relations Act, you should tell him that he is prohibited from engaging all of the following except

a. refusing to bargain collectively with the duly designated representative of the employees.
b. failing to discriminate against employees for filing charges under the act.
c. interfering with employee efforts to unionize.
d. dominating a labor organization.

Answer: b. failing to discriminate against employees for filing charges under the act.