63 O N E R E P O R T 2 0 2 2 OVERVIEW BUSINESS OVERVIEW AND PERFORMANCE CORPORATE GOVERNANCE FINANCIAL INFORMATION SUSTAINABLE BUSINESS DEVELOPMENT CASH FLOW STATEMENT (Million Baht) For the year ended 31 December 2020 2021 2022 Net cash flows from (used in) operating activities (903.5) (4,327.9) 675.8 Net cash flows from (used in) investing activities 12,064.3 1,280.8 3,304.3 Net cash flows from (used in) financing activities (14,031.4) 2,747.1 (3,891.7) Net increase (decrease) in cash and cash equivalents (2,870.6) (300.0) 88.4 Unrealised exchange gain (loss) on cash and cash equivalents (6.9) (1.1) (5.4) Cash and cash equivalents at beginning of the year 3,889.6 1,012.1 711.0 Cash and cash equivalents at end of the year 1,012.1 711.0 794.1 Key Financial Ratios For the year ended 31 December 2020 2021 2022 Liquidity Ratio Current Ratio times 0.1 0.2 0.2 Quick Ratio times 0.1 0.1 0.2 Cash Ratio times (0.1) (0.2) 0.0 Account Receivable Turnover Ratio times 29.6 8.6 24.0 Average Collection Period days 12.3 42.5 15.2 Inventory Turnover Ratio times 76.6 47.5 74.5 Average Inventory Period days 4.8 7.7 4.9 Account Payable Turnover Ratio times 24.5 12.8 19.2 Average Payment Period days 14.9 28.5 19.0 Cash Cycle days 2.2 21.7 1.1 Profitability Ratio Gross Profit Margin percent (50.2) (191.7) (34.1) EBIT Margin(1) percent (55.4) (306.9) (48.1) Other income per Total Assets percent 16.0 15.1 4.0 Net Profit (Loss) Margin(2) percent (63.6) (307.8) (46.6) Return on Equity percent (518.9) 163.1 68.6
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