quations: 4x + 3y = 36 2x + 9y = -18 The following adjusted trial balance for Canadian Music School 1. Prepare the closing entries for December 31, 2019. 2. Post the closing entries. 3. Prepare the post-closing trial balance at December 31, 2019 Canadian Piano School Adjusted Trial Balance Credit Debit $ 7,000 3,000 31,000 $27.000 700 Cash... Accounts receivable Piano Accumulated depreciation, piano ........ Salaries payable....... Melodie Martin, capital... Melodie Martin, withdrawals...... Teaching revenue. Salaries expense................. Depreciation expense, piano........ Utilities expense 17,200 2,300 38.000 30,000 5,000 4,600 $82,900 Totals $82.900