a. Prepare the journal entry necessary for recording the purchase of the new carpet.
b. Record the December 31 adjusting entry for the partial-year depreciation expense for the carpet, assuming that Willow Creek Company uses the straight-line method.
Answer:

a.
Apr. 30 Carpet 18,000
Cash 18,000
b.
Dec. 31 Depreciation Expense 800
Accumulated Depreciation—Carpet 800
Carpet depreciation
[($18,000 ÷ 15 years) × 8/12].