1,895 23,536 54,926 80,357 Opening net book balance CAPITAL ASSET ADDITIONS Estimated expenditure on new or replacement assets - - - - By purchase or internally developed - - - - Sub-total Other movements - 963 18,309 19,272 Depreciation/amortisation expense - - - - Disposals - - - - Writedowns As at 30 June 2015 1,895 23,536 91,544 116,975 Gross book value Accumulated depreciation/amortisation 55,890 - 963 54,927 and impairment 1,895 22,573 36,617 61,085 Closing net book balance 1Proceeds may be returned to the OPA.
Opening net book balance 1,895 23,536 54,926 80,357 CAPITAL ASSET ADDITIONS Estimated expenditure on new or replacement assets By purchase or internally developed - - - - Sub-total - - - - Other movements Depreciation/amortisation expense - 963 18,309 19,272 Disposals - - - - Writedowns - - - - As at 30 June 2015 Gross book value 1,895 23,536 91,544 116,975 Accumulated depreciation/amortisation and impairment - 963 54,927 55,890 Closing net book balance 1,895 22,573 36,617 61,085 1Proceeds may be returned to the OPA.