Can anyone provide the right answers in the red spaces! Not sure what I am doing wrong. I keep getting the red sign error.

The following are selected ledger accounts of Ayayai Corporation at December 31, 2017. Cash Inventory Sales revenue Unearned sales revenue Purchases Sales discounts Purchase discounts Selling expenses Accounting and legal services Insurance expense (office) Advertising expense Delivery expense Depreciation expense (office equipment)50,420 Interest expense Depreciation expense (sales equipment) 38,420 Common stock ($10 par) $187,420 Salaries and wages expense (sales) $286,420 537,420 Salaries and wages expense (office 348,420 17,420 81,420 74,420 144,920 85,420 71,420 Telephone and Internet expense (sales) 19,420 34,420 10,420 242,420 72,420 178,420 902,420 4,277,420 Purchase returns 119,420 2,788,420 Sales returns and allowances Freight-in 36,420 Accounts receivable 29,420 Sales commissions 35,420 26,420 56,420 95,420 Utilities expense (office) Miscellaneous office expenses Rent revenue Casualty loss (before tax)