2011 2010 Depreciation and amortisation expense Depreciation of non-current assets Property, plant and equipment 3,661,459  6,299,690  Buildings 251,364  392,789  Amortisation of non-current assets Mine, properties and development costs 8,693,188  21,295,433  Intangible assets - 384,969  Total cost of sales 57,984,022  99,783,417  Other expenses Administration expenses Employee benefits expense Salaries and wages expense 1,965,882  1,638,753  Directors’ fees and other benefits 105,400  101,895  Superannuation expense 175,507  178,818  Other employee benefits 23,993  16,321  Share-based payments 103,385  315,141  2,374,167  2,250,928  Other administration expenses Consulting expenses 452,880  397,123 Travel and accommodation expenses 228,602  199,688  Administration costs 525,194  688,090  Operating lease costs 121,668  39,525  1,328,344  1,324,426  Depreciation expense Depreciation of non-current assets Property plant and equipment 204,976  219,328  Total Administration expenses 3,907,487  3,794,682  Other expenses Care and maintenance costs - - Foreign exchange (profit)/loss (269,851) (744,320) (269,851) (744,320) Total other expenses 3,637,636  3,050,362  Fair value change in financial instruments Fair value change in derivatives 57,464  57,464  Gain on derivatives - - Total fair value change in financial instruments 57,464  57,464  Finance costs Interest 330,970  1,000,006  Unwinding of rehabilitation provision discount 63,950  145,052  Total finance costs 394,920  1,145,058  82  NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS FOR THE YEAR ENDED 30 JUNE 2011 (d)  (c)  (b) 