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One of the main differences between U.S. GAAP and IAS/IFRS is the measurement of property, plant & equipment subsequent to initial recognition. Read IAS 16 and answer the following questions. Provide a list of the references you have used to search this topic. 1) What are the accounting models accepted under IFRS for the measurement of property, plant & equipment subsequent to initial recognition? 2) How often should the company revalue its property, plant & equipment under the revaluation model? 3) How should the revaluation gains and losses be accounted for and reported in the financial statements? 4) How should any claim for compensation from third parties for impairment be accounted for?