Q4: Presented below are the year-end balances on December 31 of Laura's Laundry Service. (All accounts have normal balances.) Accounts receivable. $12,000 Accounts payable.. 25,000 Accumulated depreciation Catering equipment. 30,000 Advertising expense. 4,000 Cash.. 42,000 Depreciation expense-Catering equipment. 12,000 Insurance expense. 3,000 Catering equipment. 125,000 Catering service revenue.. 200,000 Notes payable. 65,000 Laura Bow, Capital 17,000 Laura Bow, Withdrawals. 18,000 Prepaid insurance. Salaries payable. Salary expense. 1,500 4,000 97,000 Supplies.... 1,500 Supplies expense. 9,000 Repair expense.. 7,000 Unearned catering service revenues.. 500 Utilities expense.... 9,500 A. Prepare the necessary closing entries on December 31. B. Prepare a post-closing trial balance on December 31.