31 December Reversal of loss on confirmed purchase orders for raw material 41 - 100% Bad and doubtful debts expense (Reversal of) 10 (147) 1632% Loss on impairment of assets 42 998 (2299%) Loss on
March 2019 2018 + (-) % (in thousand Baht) Cash flows from investing activities Interest received 11 26 (136%) Purchase of property, plant and equipment (26,018) (5,584) 79% Purchase of intangible assets
confirmed purchase orders of - - undelivered raw material (Reversal of) - 68 (100%) Reversal of loss on impairment of investment in subsidiaries - - Loss from disposal of assets 0 7 (122533%) Provision for
(31%) Purchase of property, plant and equipment (70) (11) 84% Purchase of intangible assets (2) (0) 86% Payment for long-term loans to related parties - - Proceeds from disposal of temporary investment
(used in) operating activities 876 213 76% Cash flows from investing activities Interest received 2 2 (33%) Purchase of property, plant and equipment (31) (6) 79% Purchase of intangible assets (2) (0) 89
and equipment (40,272) (30,728) 31% Purchase of intangible assets (1,608) (2,031) (21%) Proceeds from disposal of property, plant and equipment 16,836 - - Proceeds from disposal of temporary investment
increased by Baht 754.4 million from acquisition of office buildings and depreciation charge during the period. Advance payments for constructions and purchase of fixed assets decreased by Baht 54.7 million
. Advance payments for constructions and purchase of fixed assets decreased by Baht 54.4 million from Krabi Solid Waste Power Plant which some progress was done during the period. Rights to service under
. Property plant and equipment increased by Baht 15.7 million from acquisition of office buildings and depreciation charge during the period. Advance payments for constructions and purchase of fixed assets