Hyper-Tech Enterprises manufactures mechanical parts used in air conditioning and heating units. The company employs over 300 workers at its Alabama facitity. None of the Hyper-Tech employees betongs to a union; however, management betleves 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? Hyper-Tech managers prohibited union representatives from soliciting employees who were on duty. (B) Hyper-Tech managers barred non-employee union representatives from entering the firm's building. Hyper-Tech managers threatened and intimidated employees about their jobs, pay, and benefits, in the company cafeteria during lunch. Hyper-Tech managers intervened when pro-union employees solicited other employees while both were on duty