After the closing entries are posted, what is the balance in Retained Earnings? What are the steps to obtain the answer?

The following is the adjusted trial balance for Baker Services. Debit Accounts Cash Accounts Receivable Prepaid Insurance Office Supplies Land Building Accumulated DepreciationBuilding Equipment Accumulated DepreciationEquipment Accounts Payable Credit $51,700 28,000 6,500 3,100 50,000 140,000 $13,500 71,000 8,500 25,000 4,500 22,000 106,000 11,000 11,500 Salaries Pavable Unearned Revenue Mortgage Payable Common Stock Retained Earnings Dividends Service Revenue Salaries Expense Depreciation Expense-Building and Equipment Supplies Expense Insurance Expense Utilities Expense Total 25,000 288,000 60,000 6,200 16,000 14,500 18,000 $490,000 $490,000