4. Journalize the adjusting entries using the following adjustment data and also by reviewing the journal entries prepared in Requirement 1. Post adjusting entries to the T-accounts. Adjustment data: a. Accrued Salaries Expense, $1,500. b. Depreciation was recorded on the truck using the straight-line method. Assume a useful life of 55 years and a salvage value of $11,000. c. Prepaid Insurance for the month has expired. d. Office Supplies on hand, $150. e. Unearned Revenue earned during the month, $1,100. f. Accrued Service Revenue, $850. 5. Prepare an adjusted trial balance as of December 31, 2018. 6. Prepare Mass Delivery Service's income statement and statement of retained earnings for the month ended December 31, 2018 , and the classified balance sheet on that date. On the income statement, list expenses in decreasing order by amount long dashthat is, the largest expense first, the smallest expense last. 7. Journalize the closing entries and post to the T-accounts. 8. Prepare a post-closing trial balance as of December 31 , 2018.

December 31, 2018 Balance Account Title Debit Credit $ 14,650 Cash Accounts Receivable 1,600 Office Supplies 500 1,800 Prepaid Insurance Truck 20,000 $ Unearned Revenue 1,600 Common Stock 25,000 Service Revenue 18,100 Salaries Expense 1,500 Fuel Expense 250 Dividends 3,100 1,300 Rent Expense $ 44,700 $ 44,700 Total December 31, 2018 Balance Account Title Debit Credit $ 14,650 Cash Accounts Receivable 1,600 Office Supplies 500 1,800 Prepaid Insurance Truck 20,000 $ Unearned Revenue 1,600 Common Stock 25,000 Service Revenue 18,100 Salaries Expense 1,500 Fuel Expense 250 Dividends 3,100 1,300 Rent Expense $ 44,700 $ 44,700 Total