Willow Creek Company purchased and installed carpet in its new general offices on May 30 for a total cost of $7,920. The carpet is estimated to have a 10-year useful life and no residual value. a. Prepare the journal entry necessary for recording the purchase of the new carpet. May 30 Carpet Feedback Cash 7,920 7,920 Check My Work Is this purchase improving or extending the life of the asset? Or is this purchase something that will only benefit this period? 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. Do not round intermediate calculations. Dec. 31 Depreciation Expense-Carpet Accumulated Depreciation-Carpet