Triple column cash book

Triple column cash book :

This cash book has three columns ( one for cash, one for bank and one for discount) on each side. All cash receipt , deposits into bank and discount allowed are recorded on debit side and all cash payment, withdrawals from Bank and discount received are recorded on the credit side.in fact a three column cash book serves the purpose of cash account and bank account.there is no need to open these two accounts in the ledger. The cash and bank column are balanced separately like any other ledger account.cash account always shows a debit balance but bank account may show either debit balance or credit balance discount columns are merely totaled and are not balanced.