12. EX.09-16.ALGO (Algorithmic) Capital Expenditure and Depreciation Willow Creek purchased and installed carpet in its new general offices on April 30 for a total cos $12,780. 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. 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. Do not round intermediate calculations. Dec. 31