Listed below are some comments on accounting concepts. 1 In achieving a balance between concepts, the most important consideration is satisfying as far as possible the economic decision-making needs of users. 2 Materiality means that only items having a physical existence may be recognised as assets. 3 The substance over form convention means that the legal form of a transaction must always be shown in financial statements, even if this differs from the commercial effect. Which, if any, of these comments is correct, according to the IASB's Conceptual Framework for Financial Reporting? A 1 only B 2 only C 3 only D None of them