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47NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTSFOR THE YEAR ENDED 31 DECEMBER 2012(Expressed in Thousands of Trinidad and Tobago Dollars, except where otherwise stated)(Continued)2. Significant accounting policies (continued)v) Impairment of non-financial assetsThe Group assesses at each reporting date whether there is an indication that an asset may be impaired. If any such indication exists, or when annual impairment testing for an asset is required, the Group makes an estimate of the asset%u2019s recoverable amount. An asset%u2019s recoverable amount is the higher of an asset%u2019s or cash generating unit%u2019s (CGU) fair value less costs to sell and its value in use and is determined for an individual asset, unless the asset does not generate cash inflows that are largely independent of those from other assets or groups of assets. Where the carrying amount of an asset or CGU exceeds its recoverable amount, the asset is considered impaired and is written down to its recoverable amount. In assessing value in use, the estimated future cash flows are discounted to their present value using a pre-tax discount rate that reflects current market assessments of the time value of money and the risks specific to the asset. In determining fair value less costs to sell, an appropriate valuation model is used. These calculations are corroborated by valuation multiples, quoted share prices for publicly traded subsidiaries or other available fair value indicators.Impairment losses of continuing operations are recognized in the income statement in those expense categories consistent with the function of the impaired asset.For assets excluding goodwill, an assessment is made at each reporting date as to whether there is any indication that previously recognized impairment losses may no longer exist or have decreased. If such indication exists, the Group estimates the assets or cash-generating unit%u2019s recoverable amount. A previously recognized impairment loss is reversed only if there has been a change in the assumptions used to determine the assets recoverable amount since the last impairment loss was recognized. The reversal is limited so that the carrying amount of the asset neither exceed its recoverable amount, nor exceed the carrying amount that would have been determined, net of depreciation, had no impairment loss been recognized for the asset in prior years. Such reversal is recognized in the income statement unless the asset is carried at a revalued amount, in which case the reversal is treated as a revaluation increase.Guardian_Media_Annual_Report2012.indd 47 4/17/13 7:31 PM