Answer:
1.2.1. False - Liabilities should be subtracted from assets to determine owner's equity.
1.2.2. False - Businesses can make a profit even if they sell on credit.
1.2.3. False - Receipts from debtors are recorded in the cash receipts journal.
1.2.4. True - The Trial Balance is a summary of all the accounts and their balances in the ledger.
1.2.5. True - OE is commonly used as an abbreviation for owner's equity in accounting.