Nanki Corporation purchased equipment on 1/1/09 for $633,000. In 2009 and 2010, Nanki depreciated the asset on a straight-line basis with an estimated useful life of 8 years and a $5,000 residual value. In 2011, due to changes in technology, Nanki revised the useful life to a total of 4 years with no residual value. What depreciation would Nanki record for the year 2011 on this equipment?
1. $104,667
2. $105,558
3. $238,000
4. None of these is correct.