JAMB Principles of Accounts 1999 Question 9

If the total discount allowed in a cash book was ₦230 and the total discount received was ₦255, which of the following is true concerning the two discounts?

1. A.They must be balanced in the cash book and the difference taken to the debtors ledger
2. B.They must be balanced in the cash book and the difference taken to the trial balance
3. C.They should not be balanced in the cash book before being taken to the trial balance
4. D.They should not appear in the trial balance as they were already either received or paid out.