- 36 - Unit : Million Baht Consolidated financial statements As at December 31, 2020 Balances Additions Write off Transfers Reclassification Balances as at In (out) of assets as at January 1, December 31, 2020 2020 Cost Dredging expenses 2,640 162 (2,348) - - 454 Computer software 1,156 49 - 218 - 1,423 Total 3,796 211 (2,348) 218 - 1,877 Accumulated amortisation Dredging expenses (2,562) (31) 2,314 - - (279) Computer software (958) (92) - - - (1,050) Total (3,520) (123) 2,314 - - (1,329) Computer software under installation 288 143 - (218) 13 226 Total intangible assets 564 774 Amortisation for the years ended December 31, 2021 142 2020 123 Unit : Million Baht Separate financial statements As at December 31, 2021 Balances Additions Write off Transfers in Balances as at (out) as at January 1, December 31, 2021 2021 Cost Dredging expenses 454 - - - 454 Computer software 1,415 1 - 75 1,491 Total 1,869 1 - 75 1,945 Accumulated amortisation Dredging expenses (279) (24) - - (303) Computer software (1,045) (116) - - (1,161) Total (1,324) (140) - - (1,464) Computer software under installation 198 122 - (75) 245 Total intangible assets 743 726 338 IRPC PUBLIC COMPANY LIMITED 56-1 ONE REPORT 2021
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