Concept:The sales ledger control account summarizes all individual customer accounts.Its balance shows the total amount owed by customers at a point in time.Explanation:The sales ledger contains one account for each credit customer.The control account is the total of these individual accounts.This total represents trade debtors, not total sales or total credit sales.Total credit sales appears on the credit side, not as the balance.Total creditors belongs to the purchases ledger control account.Answer:D. total debtors