Can Can someone explain why this is incorrect? What are the right accounts?

Date Account Numbers and Titles Debit Credit Date: 06/16 Office Memorandum To: Alice's Office Supplies 466 38th Street Sacramento: CA From: Al G Rhythm Subject: Return of office supplies June 16 402 Sales Returns and Allowances 28.50 105 Accounts Receivable 28.50 Al G Rhythm has debited your account for the return of unsatisfactory office supplies. The office supplies cost $28.50. Account: 20300 Invoice: AS 798 Pecy. Edaneda T35 Debit and Credit Memoranda are issued only for the return of merchandise by a buyer (Debit) or by a seller 101 Cash 102 Petty Cash 105 Accounts Receivable 107 Accounts Rec. - Credit Card Co. 109 Notes Receivable 111 Storage Fees Receivable 113 Interest Receivable 115 Merchandise Inventory 121 Prepaid Insurance 123 Prepaid Rent 125 Prepaid Advertising 127 Store and Shop Supplies 131 Store Equipment 132 Acc. Dep. - Store Equipment 135 Shop Equipment 136 Acc. Deprec. - Shop Equipment 139 Delivery Van 140 Accum. Dep. - Delivery Van 201 Accounts Payable 203 Notes Payable 205 Sales Tax Payable 209 Salaries and Wages Payable 215 Interest Payable 218 Dividends Payable 221 Unearned Storage Fees 301 Common Stock 305 Retained Earnings 310 Dividends Declared 401 Instrument Sales 402 Sales Returns and Allowances 411 Service Fees Earned 421 Storage Fees Earned 501 Cost of Goods Sold 505 Transportation-In .ed aily 221 Unearned Storage Fees 301 Common Stock 305 Retained Earnings 310 Dividends Declared 401 Instrument Sales 402 Sales Returns and Allowances 411 Service Fees Earned 421 Storage Fees Earned 501 Cost of Goods Sold 505 Transportation-In 601 Salaries and Wages Expense 602 Store and Shop Supplies Expense 603 Delivery Van Operating Expense 604 Advertising Expense 606 Delivery Expense 607 Credit Card Expense 608 Tools Expense 610 Dep. Exp. - Store Equipment 611 Dep. Expense - Shop Equipment 612 Dep. Expense - Delivery Van 621 Rent Expense 622 Insurance Expense 623 Professional Services Expense 624 Utilities Expense 625 Telephone Expense 627 Bank Service Charges 628 Cash Short and Over 629 Miscellaneous Expense Jour imb Nu Its C 711 Interest Earned s or 811 Interest Expense 901 Income Summary