Wildhorse Co. purchased equipment for $16200 on December 1. It is estimated that annual depreciation on the computer will be $3240. If financial statements are to be prepared on December 31, the company should make the following adjusting entry: O debit Equipment $16200; credit Accumulated Depreciation, $16200. O debit Depreciation Expense, $12960; credit Accumulated Depreciation, $12960. debit Depreciation Expense, $3240; credit Accumulated Depreciation, $3240. O debit Depreciation Expense, $270; credit Accumulated Depreciation, $270