Depreciation expense per year was $1,200, the company preparing annual financial statements, the adjusting entry for depreciation will be Select one: O a. $100 depreciation expense debit, $100 accumulated depreciation credit. O b. $1,200 depreciation expense debit, $1,200 accumulated depreciation credit. C. $1,200 accumulated depreciation debit, $1,200 depreciation expense credit. O d. $100 accumulated depreciation debit, $100 depreciation expense credit