a. As of December 31, Greavy had performed $500 of service revenue but has not yet billed customers. At the end of the month, Greavy had $700 of office supplies remaining. c. Prepaid Insurance of $3,900 remained. d. Depreciation expense, $4,000. e. Accrued salaries expense of $200 that hasn't been paid yet. Unadjusted Trial Balance Debit Credit Adjusted Trial Balance Adjustments Account Names Debit Credit | Debit Credit Cash 4,300 5,900 1,900 4,550 30,000 7,600 3,600 Accounts Receivable Office Supplies Prepaid Insurance Equipment Accumulated Depreciation-Equip. Accounts Payable Salaries Payable Greavy, Capital Greavy, Withdrawals Service Revenue Depreciation Expense-Equip. Supplies Expense Utilities Expense Salaries Expense 21,950 30,500 77,000 5,500 27,500 Insurance Expense Total 110,150 $ 110,150