9 Billing Co's trade payables account at 30 September 20X1 is as follows: TRADE PAYABLES ACCOUNT $ $ Cash at bank 21,600 Balance b/d 14,000 Balance c/d 11,900 Purchases 19,500 33,500 33,500 What was the balance for trade payables in the trial balance at 1 October 20XO? o $14.000 DEBIT $14,000 CREDIT $11.900 DEBIT $11,000 CREDIT (2 marks)