The sales ledger control account for a business had a balance of $14320$. A customer, who is owed $1000$, has also provided the business with goods worth $400$. This amount was set off against the sum owed by the customer. What was the balance on the sales ledger control account after the set-off?
- A$13720$
- B$13920$
- C$14720$
- D$14920$