Houston Corporation acquired a machine for $34,000 and has recorded depreciation for three years using the straight-line method over a six-year life and $1,000 residual value. At the start of the fourth year of use, Houston revised the estimated useful life to a total of 10 years. Estimated residual value declined to 50 How much depreciation should Houston record in each of the asset's last seven years (that is, year 4 through year 10), following the revision? O A $3400 B. $2,500 C. $17.000 OD. Some other amount