Answer:
Cost of Equipment: $10,000
Less Accumulated Depreciation ($10,000 - $2,000 / 4*2): $4,000
= Book Value (End of Year 2): $6,000
Less New Residual Value: $-1,000
= New Depreciated Cost: $5,000
Remaining Service Life: 4
Annual Depreciation in Years 3 to 6 ($5,000 / 4): $1,250