On January 1, 2009, the Holloran Corporation purchased a machine at a cost of $55,000. The machine was expected to have a service life of 10 years and no residual value. The straight-line depreciation method was used. In 2011 the estimate of residual value was revised from zero to $6,000. Depreciation for 2011 should be

A.3800

B.4400

C.4750

D.5500