31 14. Investment properties Movement of investment properties for the year ended 31 December 2023 and 2022 are presented below. (Unit: Million Baht) Consolidated financial statements Separate financial statements Land Buildings Total Land Total Cost 1 January 2022 986 18 1,004 938 938 31 December 2022 986 18 1,004 938 938 31 December 2023 986 18 1,004 938 938 Accumulated depreciation 1 January 2022 - 18 18 - - 31 December 2022 - 18 18 - - 31 December 2023 - 18 18 - - Allowance for impairment 1 January 2022 64 - 64 52 52 Decrease during the year (17) - (17) (17) (17) 31 December 2022 47 - 47 35 35 31 December 2023 47 - 47 35 35 Net book value 31 December 2022 939 - 939 903 903 31 December 2023 939 - 939 903 903 The additional information of the investment properties as at 31 December 2023 and 2022 stated below. (Unit: Million Baht) Consolidated financial statements Separate financial statements 2023 2022 2023 2022 The fair value of land 1,140 1,140 1,104 1,104 The fair value of buildings 9 9 - - Total 1,149 1,149 1,104 1,104 The fair value of the above investment properties has been determined based on valuation performed by an accredited independent valuer. The fair value of land and buildings has been determined based on market prices. Key assumptions used in the valuation include market price per square, trading price, investment value and value in use. 324 IRPC Public Company Limited Notes to the Consolidate Financial Statements
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