A Ltd. purchased a machine on 1.1.2006 for Rs.1,20,000. Installation expenses were Rs10,000. Residual value after 5 years Rs5,000. On 1.7.2006, expenses for repairs were incurred to the extent of Rs2,000. Depreciation is provided @ 10% p.a under written down value method. Depreciation for the 4th year = ?