Required 1A Required 1B Required 1C Calculate book value and gain (loss) for sale of Truck on December 31, Year 3. Depreciation expense (for Year 1) Depreciation expense (for Year 2) Depreciation expense (for Year 3) Accumulated depreciation 12/31/Year 3 Book value of truck at 12/31/Year 3 Total cost Accumulated depreciation Book value