How much is the balance of Retained Earnings that would appear on the post-closing trial balance?

The following is an Adjusted Trial Balance for Company A. Company A Adiusted Trial Balance January 31, 2017 Debit $ 50,000 50,000 50,000 Credit Cash Invento Equipment Accumulated Depreciation Accounts Payable Accrued Salaries Payable Sales Revenue Interest Income Gain on sales of proper Depreciation Expense Interest Expense Salaries Expense Income Tax Expense Retained Earnings Common Stock Dividends S 10,000 10,000 10,000 60,000 10,000 50,000 10,000 10,000 20,000 30,000 50,000 30,000 10,000 S 230,000 Total S 230.000