Laura Diamonds purchased a computer for $3,600 on December 1. It is estimated that the useful life of the computer will be 3 years. If financial statements are to be prepared on December 31, the company should make the following adjusting entry

a) debit Depreciation Expense, $100; credit Computer, $100.

b) debit Depreciation Expense, $100; credit Accumulated Depreciation, $100.

c) debit Depreciation Expense, $1,200; credit Accumulated Depreciation, $1,200.

d) debit Cash, $100; credit Accumulated Depreciation, $100.