| (a) | Basis of preparation |
The consolidated financial statements have been prepared in accordance with all applicable International Financial Reporting Standards (“IFRSs”), which collective term includes all applicable individual IFRSs, International Accounting Standards (“IASs”) and Interpretations issued by the International Accounting Standards Board (the “IASB”). The measurement basis used in the preparation of the financial statements is the historical cost basis, except that available-for-sale equity securities and derivative financial instruments are stated at their fair value as explained in the accounting policies set out in Note 2(f) and Note 2(g). Non-current assets and disposal groups held for sale are stated at the lower of carrying amount and fair value less costs to sell (Note 2(q)).
The preparation of financial statements in conformity with IFRSs requires management to make judgments, estimates and assumptions that affect the application of policies and reported amounts of assets, liabilities, income and expenses. The estimates and associated assumptions are based on historical experience and various other factors that are believed to be reasonable under the circumstances, the results of which form the basis of making the judgments about carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates.
The estimates and underlying assumptions are reviewed on an ongoing basis. Revisions to accounting estimates are recognized in the period in which the estimate is revised if the revision affects only that period, or in the period of the revision and future periods if the revision affects both current and future periods.
Judgments made by management in the application of IFRSs that have significant effect on the financial statements and major sources of estimation uncertainty are discussed in Note 3.
The consolidated financial statements comprise the Company and its subsidiaries and the Group’s interest in associates and joint ventures.