Depreciation by Units-of-Activity Depreciation A diesel-powered tractor with a cost of $133,000 and estimated residual value of $4,600 is expected to have a useful operating life of 60,000 hours. During November, the tractor was operated 100 hours. Determine the depreciation for the month. Carry out any division to two decimal places. $ Capital Expenditure and Depreciation; Parital-Year Depreciation Willow Creek Company purchased and installed carpet in its new general offices on April 30 for a total cost of $8,820. The carpet is estimated to have a 15-year useful life and no residual value. a. Prepare the journal entry necessary for recording the purchase of the new carpet. If an amount box does not require an entry, leave it blank. April 30 b. Record the December 31 adjusting entry for the partial-year depreciation expense for the carpet, assuming that Willow Creek uses the straight-line method. If an amount box does not require an entry, leave it blank. Do not round intermediate calculations. Dec. 3