Plumlee Corporation has the following account balances at December 31, 2017.
Debit Credit
Service Fees Earned.......... $92,500
Interest Income.......... 2,200
Salaries Expense.......... $41,800
Advertising Expense.......... 4,300
Depreciation Expense.......... 8,700
Income Tax Expense.......... 9,900
Retained Earnings.......... 42,700
Prepare entries to close these accounts in journal entry form. Set up T-accounts for each of the ledger accounts and post the entries to them. After these entries are posted, what is the balance of the Retained Earnings account?