The preparation of trial balance helps in:

Preparation of final accounts

The correct answer is option 3- Preparation of final accounts.

A trial balance is a statement showing the balances, or total of debits and credits, of all the accounts in the ledger with a view to verify the arithmetical accuracy of posting into the ledger accounts. The trial balance is prepared to fulfill the following objectives :

1. To ascertain the arithmetical accuracy of the ledger accounts.
2. To help in locating errors.
3. To help in the preparation of the financial statements. (Profit & Loss account and Balance Sheet).