The cash payments journal is used to record all transactions involving the outflow of cash from the business. Since paying rent involves a cash disbursement, it must be recorded in this journal. This practice helps in tracking all business expenditures and ensures that the cash balance is accurately updated, distinguishing cash payments from credit transactions recorded in other journals like the purchase or sales journals.

The Cash Book serves a dual purpose in accounting. It acts as a journal because all cash and bank transactions are recorded in it chronologically for the first time. Simultaneously, it functions as a ledger because it maintains the cash and bank accounts, effectively replacing the need for separate cash and bank accounts in the main ledger. Thus, it is often referred to as a 'journalized ledger'.

A cash book is a book of original entry that functions as both a journal and a ledger. It is classified as a subsidiary book because it records all cash and bank transactions chronologically before they are posted to the general ledger. It effectively replaces the need for a separate cash account in the ledger.

A cash account is a ledger account specifically maintained to track all cash receipts and payments. By balancing this account at the end of a period, the business can accurately determine the closing cash balance, which is then reported as an asset on the balance sheet.

A Cash Account is a real account representing an asset. Since a business cannot spend more cash than it has on hand, the total debits (receipts) will always be greater than or equal to the total credits (payments). Therefore, a Cash Account will always show a debit balance or a zero balance.

Any transaction involving the actual outflow of cash, such as paying a creditor to settle an outstanding balance, must be recorded in the Cash Book. The Cash Book serves as a book of original entry for all cash receipts and payments.

Since the deposit was recorded twice, the cash book balance is currently overstated by $5,000. To rectify this error, the excess entry must be reversed. Crediting the cash book by $5,000 will reduce the balance to the correct amount, effectively canceling out the duplicate debit entry.

The cash book only records actual cash receipts and payments. 'Rent due' represents an outstanding liability (accrued expense) that has not yet been paid in cash; therefore, it is recorded in the journal as an adjustment, not the cash book.

Purchases from non-credit suppliers imply immediate payment, which is recorded in the cash book. Since the transaction involves a cash outflow, the associated VAT is also captured within the cash book entries for that payment.

The Cash Book is a primary book of entry that serves the purpose of both a journal and a ledger for cash transactions. It is specifically designed to record all inflows and outflows of cash, ensuring that the cash balance can be determined at any given time.