Please help it says my answer is not complete and i can not figure out why

Forten Company's current year income statement, comparative balance sheets, and additi For the year, (1) all sales are credit sales, (2) all credits to Accounts Receivable reflect cash customers, (3) all purchases of inventory are on credit, and (4) all debits to Accounts Payab payments for inventory. Additional Information on Current Year Transactions a. The loss on the cash sale of equipment was $19,125 (details in b). Required information