Laker Incorporated's fiscal year-end is December 31, 2024. The following is an adjusted trial balance as of December 31. Accounts Cash Debit $12,800 Credit Supplies 38,500 Prepaid Rent 29,500 Accounts Payable $2,900 Notes Payable 29,000 Common Stock 39,500 Retained Earnings 8,900 Dividends 3,900 Service Revenue 55,000 Salaries Expense 19,900 Advertising Expense 12,900 Rent Expense 9,900 Utilities Expense 7,900 Totals $135,300 $135,300 Required: 1. Prepare the necessary closing entries. 2. Calculate the ending balance of Retained Earnings. 3. Prepare a post-closing trial balance Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3