Price monopoly refers to behaviors in which operators engage in collusion or abuse of market dominance, manipulate the market to regulate prices, disrupt normal production and operation orders, damage the legitimate rights and interests of other operators or consumers, or endanger public interests. According to the above definitions, Which of the following are not price monopoly actions:. ['Several large TV manufacturers cooperate to manipulate prices through agreements.', 'In order to attract customers, some shopping malls sell some products below the cost price.', 'The factory with the patent right relies on the dominant market position to enforce the resale price when the dealer picks up the goods.', 'A large company with a 70% market share cuts prices in disguise by means of rebates, gifts, etc. , causing the market price of goods to be lower than the cost price.']