Trevor Company has the following adjusted trial balance at December 31, 2020: Account Debit Credit Cash $1100 Accounts Receivable 900 Inventory 2000 Supplies 2100 Prepaid Rent 700 Land 6400 Building Accumulated Depreciation 39,300 $8200 Accounts Payable 7600 Unearned Revenue 4000 Notes Payable, due 2020 2000 Common Stock 6800 Retained Earnings 3000 Dividends 1200 Service Revenue Rent Expense 1500 34500 Unearned Revenue 4000 Notes Payable, due 2020 2000 Common Stock 6800 Retained Earnings Dividends 1200 Service Revenue 3000 34500 Rent Expense 1500 Supplies Expense 1800 Salaries Expense 6100 Depreciation Expense 1600 Utilities Expense 1400 Totals $66.200 $66.200 What is the Retained Earnings balance at December 31, 2020? O $23,900 O $20,900 $24,800 $25,200 $21.800