Self-test The following is a list of transactions in the books of Gerta for May 2009.

01 May Opening balance 6,035 31 May Sales day book 29,549 31 May Cheques from debtors 13,800 31 May Discount allowed 1,003 31 May Dishonoured cheque 622 31 May Returns inwards 1,176 31 May Bad debts written off 974 You are required to write up the sales ledger control account and show the closing balance at 31 May 2009.