Laker Incorporated's fiscal year-end is December 31, 2021. The following is an adjusted trial balance as of December 31 Accounts Debit Credit Cash $ 12.000 Supplies 39.000 Prepaid Rent 30.000 Accounts Payable $ 3.000 Notes Payable 30,000 Comnon Stock 40,000 Retained Earnings 9.000 Dividends 4.000 Service Revenue 54.000 Salaries Expense 20.000 Advertising Expense 13.000 Rent Expense 10.000 Utilities Expense 8.000 Total $136.000 $136.000 Required: 1. Prepare the necessary closing entries. (If no entry is required for a particular transaction/event, select "No Journal Ehtry Required" in the first account field.) View transaction list View journal entry worksheet No Date General Journal Debit 1 December 31, 2021 Service Revenue Credit 54,000 54,000 2 51.000 December 31, 2021 Service Revenue Advertising Expense Uits Expense Rent Expense Salaries Expense 13,000 8.000 10,000 20.000 3 December 31, 2021 Retained Earnings 4.000 2. Calculate the ending balance of Retained Earnings. Relained earnings $ 10,000 3. Prepare a post-closing trial balance Credit LAKER INCORPORATED Post Closing Trial Balance December 31, 2021 Accounts Debit Cash 12,000 Supplies 39,000 Prepaid Rent 30,000 Accounts Payable Notes Payable Common Stock Retained Earnings $ 3,000 30,000 40.000 9,000 Totals $ 81.000 82.000