12. CASH AND CASH EQUIVALENTS 13. TRADE AND OTHER RECEIVABLES (CURRENT) 87  NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS FOR THE YEAR ENDED 30 JUNE 2011 2011 2010 Trade receivables (a) 1,962,509  4,930,361  Other debtors (b) 10,508,087  9,979,848  12,470,596  14,910,209  2011 2010 Cash at bank and in hand 9,403,323  5,782,053  Short-term deposits 66,580,011  23,714,574  Total 75,983,334  29,496,627  Reconciliation to statement of cash flows For the purposes of the cash flows, cash and cash equivalents comprise the following at 30 June: Cash at bank and in hand 9,403,323  5,782,053  Short-term deposits 66,580,011  23,714,574  75,983,334  29,496,627  STATEMENT OF CASH FLOWS RECONCILIATION Reconciliation of net profit/(loss) after income tax to net cash flows from operating  activities Net profit after income tax 62,296,608  11,780,984  Income tax (benefit)/expense (408,526) 1,095,629  Amortisation and depreciation  12,810,987  28,592,210  Impairment losses 17,358,674  500,000  Gain on deemed disposal of associate (14,788,837) (1,207,775) Share based payments 103,385  315,141  Unwinding of rehabilitation provision discount 63,950  145,052  Fair value change in financial instruments 57,464  57,464  Exploration and evaluation expenditure written off 1,189,720  295,820  Profit on disposal of available-for-sale financial assets (55,717,781)  (34,035) Profit on disposal of intangible assets - (5,266,690) Loss/(profit) on disposal of property, plant and equipment 478,517  (13,844,070) Share of associates' net losses (221,092) 127, 475 23,223,069  22,557,205  Changes in assets and liabilities (Increase)/decrease in inventories 1,652,616  (2,522,463) (Increase)/decrease in trade and other debtors 3,167,995  (13,395,022) Increase/(decrease) in trade and other creditors (4,268,137) (1,845,667) Increase/(decrease) in employee entitlements 200,464  (356,873) Net cash from operating activities 23,976,007  4,437,180 