Concept:Discount received is an income for the business.
Explanation:In a three-column cash book, the discounts received column is on the credit side.
This column records discounts given by suppliers to the business.
The total of this column is the total income earned as discount.
So, this total is transferred to the credit side of the discounts received account in the ledger.
Therefore, it is credited, not debited, to the discounts received account.
Answer:B. Credited to discounts received account.