If a fixed asset, such as a computer, were purchased on January 1st for $1,578 with an estimated life of 7 years and a salvage or residual value of $243, the journal entry for monthly expense under straight-line depreciation is Oa. Accumulated Depreciation 15.89 Depreciation Expense 15.89 Ob. Depreciation Expense 15.89 Accumulated Depreciation 15.89 Oc. Depreciation Expense 190.71 Accumulated Depreciation 190.71 Od. Accumulated Depreciation 190.71 Depreciation Expense 190.71