Williams Company purchased a machine costing $37,100 and is depreciating it over a 10-year estimated useful life with a residual value of $4,100. At the beginning of the eighth year, a major overhaul on it was completed at a cost of $9,100, and the total estimated useful life was changed to 12 years with the residual value unchanged. How much is the year 8 depreciation expense assuming use of the straight-line depreciation method?

$3,300.

$3,800.

$9,100.

$5,120.