Find cashflow from Operations ?????

Rs. Sales Cost of sales Gross profit Wages and salaries Other expenses (including depreciation Rs. 25,000) 1,280,000 (400,000) 880,000 (290,000) (350,000) 240,000 (50,000) 190,000 (40,000) 150,000 Interest charges Profit before tax Tax on profit Profit after tax Extracts from the statement of financial position: At 1 January 2017 At 31 December 2017 Rs. Rs. 233,000 118,000 102,000 Trade receivables Inventory Trade payables Accrued wages and salaries Accrued interest charges Tax payable 219,000 124,000 125,000 5,000 45,000 43,000 8,000 30,000 52,000