2. Significant accounting policies (cont’d.) 2.3 Summary of significant accounting policies (cont’d.) (f) Construction contracts Where the outcome of a construction contract can be reliably estimated, contract revenue and contract costs are recognised as revenue and expenses respectively by using the stage of completion method. The stage of completion is measured by reference to the proportion of physical completion or based on technical milestones defined under the contracts, and taking into account the nature of activities and its associated risk. Where the outcome of a construction contract cannot be reliably estimated, contract revenue is recognised to the extent of contract costs incurred that is probable to be recoverable. Contract costs are recognised as expenses in the period in which they are incurred. When it is probable that total contract costs will exceed total contract revenue, the expected loss is recognised as an expense immediately. Contract revenue comprises the initial amount of revenue agreed in the contract and variations in contract work, claims and incentive payments, to the extent that it is probable that they will result in revenue, and can be reliably measured. (g) Impairment of non-financial assets The carrying amounts of non-financial assets, other than deferred tax assets, inventories, non-current assets classified as held for sale and amount due from construction contract, are reviewed at each reporting date to determine whether there is any indication of impairment. If any such indication exists, the asset’s recoverable amount is estimated to determine the amount of impairment loss, if any. For goodwill, the recoverable amount is estimated at each reporting date, or more frequently when indicators of impairment are identified. For the purpose of impairment testing of these assets, recoverable amount is usually determined on an individual asset basis. If an asset does not generate cash flows that are largely independent of those from other assets, recoverable amount is determined for the cash-generating-unit (“CGU”) to which the asset belongs. Goodwill acquired in a business combination is allocated to each of the Group’s CGUs, or groups of CGUs, that are expected to benefit from the synergies of the combination, irrespective of whether other assets or liabilities of the Group are assigned to those units or groups of units from the acquisition date. Financial Statements 181
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