The Sayonara Corporation purchased a notebook computer for $3,000 on December 1. The useful life of the notebook computer is estimated to be 5 years. If financial statements are to be prepared on December 31, the company should make the following adjusting entry, and why?

(a) debit Depreciation Expense, $600; credit Accumulated Depreciation, $600.

(b) debit Depreciation Expense, $50; credit Accumulated Depreciation, $50.

(c) debit Depreciation Expense, $2,400; credit Accumulated Depreciation, $2,400.

(d) debit Office Equipment, $50; credit Accumulated Depreciation, $50.

(e) None of the above