Nanki Corporation Purchased Equipment on January 1, 2016, for $650,000

Nanki Corporation purchased equipment on January 1, 2016, for $650,000. In 2016 and 2017, Nanki depreciated the asset on a straight-line basis with an estimated useful life of eight years and a $10,000 residual value. In 2018, 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 2018 on this equipment?

A) $108,333.
B) $106,667.
C) $122,500.
D) None of these answer choices are correct.