Transaction cost refers to the sum of various resources that need to be paid to reach cooperation in transactional activities such as negotiation, negotiation, and performance of agreements. As long as transaction activities exist, transaction costs exist, and it has become an integral part of human society. Which of the following options are not part of transaction costs:. ['It took two days for a company to search for transaction information.', 'Pharaoh paid 5,000 yuan to the agent for the contract in the purchase of the house.', 'A factory spends 500,000 yuan to purchase patents in order to develop production.', 'A company pays five million yuan for breach of contract.']