what is the post. REF?

amat asignment-takeinprogre I * h Calculator Print Item Continuing Problem Chapter 4 Instruction #1 The adjusted trial balance of PS Music as of July 31, 2019 is shown below: PS Music Adjusted Trial Balance July 31, 2019 Debit Balances Credit Balances Cash 9,945 Accounts Receivable 4,150 Supplies 275 Prepaid Insurance 2,475 Office Equipment 7,500 Accumulated Depreciation - Office Equipment 8,350 Accounts Payable Wages Payable 140 10:43 PM ENG 10/11/2010 A 90 agrument-take&inprogre Calculator * Print Item Wages Payable Unearned Revenue 140 Peyton Smith, Capital 3,600 Peyton Smith, Drawing 9,000 Fees Earned 1,750 Music Expense 21,200 Wages Expense 3,610 2,940 Office Rent Expense 2,550 Advertising Expense 1,500 Equipment Rent Expense 1,375 Utilities Expense 1,215 Supplies Expense 925 Insurance Expense 225 Depreciation Expense 50 Miscellaneous Expense 1,855 42,340 42,340 Print item Continuing Problem Chapter 4-Instruction #2 Journalize the closing entries. Include Posting References, using the account numbers in your spreadsheet. Refer to your answers from Chapter 4, Part 1 to complete this part. If an amount box does not require an entry, leave it blank. DATE ACCOUNT POST. REF. DEBIT CREDIT July 31 Fees Earned 1 X 21,200 Wages Expense X 2,940 Office Rent Expense v X 2,550 Equipment Rent Expense 2,019 1,375 Utilities Expense 31 1,215 Music Expense 1 x 3,610 Advertising Expense 2,019 1,500 925 Supplies Expense 4790 Office Rent Expense S1 2,550 Equipment Rent Expense 2,019 1,375 Utilities Expense S3138 1,215 Music Expense 3,610 Advertising Expense 2,019 1,500 Supplies Expense 925 225 Insurance Expense Depreciation Expense 2,019 50 31 1,855 Miscellaneous Expense 12,205 Peyton Smith, Capital DATE ACCOUNT POST. REF. DEBIT CREDIT July 31 Peyton Smith, Capital 12,205 X Peyton Smith, Drawing 1,750 Feedback