7. Nanki Corporation purchased equipment on 1/1/09 for $650,000. In 2009 and 2010, Nanki depreciated the asset on a straight-line basis with an estimated useful life of 8 years and a $10,000 residual value. In 2011, due to changes in technology, Nanki revised the useful life to a total of six years with no residual value. What depreciation would Nanki record for the year 2011 on this equipment?

A. $108,333.

B. $106,667.

C. $122,500.

D. None of the above is correct.