Hyper-Tech Enterprises Manufactures Mechanical Parts Used in Air Conditioning and Heating

Multiple Choice

Hyper-Tech Enterprises manufactures mechanical parts used in air conditioning and heating units.The company employs over 300 workers at its Alabama facility.None of the Hyper-Tech employees belong to a union; however,management believes that unionization is in the near future.A representative of a local union has recently visited Hyper-Tech in an attempt to solicit members and have them sign authorization cards.Enough eligible employees have signed authorization cards to petition the NLRB for an election.Hyper-Tech's top executives are considering fighting the unionization efforts.
Which of the following,if true,supports the argument by the NLRB that Hyper-Tech has conducted unfair labor practices?

A) Hyper-Tech managers prohibited union representatives from soliciting employees who were on duty.
B) Hyper-Tech managers intervened when pro-union employees solicited other employees while both were on duty.
C) Hyper-Tech managers barred nonemployee union representatives from entering the firm's building.
D) Hyper-Tech managers prevented nonemployee union representatives from the parking lot for safety reasons.
E) Hyper-Tech managers prohibited distribution of union literature in the company cafeteria.