Principles of Accounts Balances as at 1 January 2017: Purchase ledger debit balance Purchase ledger credit balance St 131 7,794 10,030 Modu Sales ledger debit balance Sales ledger credit balance 71 Totals for the year: Cash received in respect of debit balance in 131 purchase ledger Purchases day book 50,099 Returns outwards day book 669 Sales day book 79,660 Discounts allowed 2,910 Discounts received 1,843 Cheques paid to suppliers 46,634 Cheques received from customers 69,015 Returns inwards day book 1,578 Bad debts written off 408 Amount due from customer offset against 543 amount due to the same firm in our accounts payable ledger (offset via contra)