Which one of the following is not a major source of power related to the contending force of "powerful supplier?" Bargaining Power of Suppliers Threat of New Entrants The industry Jockeying for Position among current competitors Threat of Substitute Products or Services Bargaining Power of Customers a) A supplier group is powerful if its product is unique. b) A supplier group is powerful if it poses a credible threat of moving into an industry's market. A supplier group is powerful if it less concentrated than the industry to which it sells. A supplier group is powerful if it is not obliged to contend with other sunnliers to cell to an inductru