The adjusted trial balance shown below is for Batton, Inc., at December 31: BATTON, INC. Adjusted Trial Balance December 31 Debit Credit Cash $4,000 Accounts Receivable 8,000 Prepaid Insurance 3,600 Equipment 75,000 Accum. Depreciation. - Equipment $12,500 Accounts Payable 600 Common Stock 30,000 Retained Earnings 14,100 Cash Dividends 7,000 Service Fees Earned 101,200 Miscellaneous Income 4,200 Salaries Expense 42,800 Rent Expense 12,900 Insurance Expense 1,800 Depreciation expense 8,000 Income Tax Expense 8,300 Income Tax Payable 8,800 Totals $171,400 $171,400 Required a. Prepare closing entries in general journal form using the Income Summary account. b. After the closing entries are posted, what is the ending balance in Retained Earnings account? c. Prepare a post-closing trial balance.