Inter-bank lending: refers to the business method of financing short-term funds between financial institutions, the purpose of which is to adjust positions and temporary fund surpluses. Which of the following options are interbank lending? ['Bank A borrows a fund from Bank B to fill the credit fund gap.', 'Bank A integrates funds to invest in real estate.', 'Bank A found an imbalance in the revenue and expenditure of funds when it closed its business.', "Fund Dispatch between Bank A's Internal Branches."]