Which of the following in a classified form contains a permanent record of all transactions? The

The ledger contains a permanent record of all transactions. A ledger is a book or electronic record that contains a categorized summary of all financial transactions that a company or individual has made. It's also called the principal book of accounts. Every financial transaction that a company makes is recorded in the ledger, including purchases, sales, expenses, and revenues. The ledger serves as a permanent record of all these transactions, and it's used to prepare financial statements, such as the income statement and balance sheet. In contrast, the sales day book, purchases day book, cash book, and journal are subsidiary books used to record specific types of transactions, but they don't contain a complete and permanent record of all financial transactions.