9706/12 Accounting May Jun 2023 Online Test | Cambridge AS and A Level MCQ

The closing balance on a sales ledger control account was $10150.
It was then discovered that:
1 a sales invoice for $\$ 270$ had been correctly entered in the sales journal but posted to the customer’s account as $\$ 200$
2 goods returned by a credit customer for $90 had not been entered in the sales returns journal.
What was the total of the individual sales ledger balances before the correction of these errors?