can you explain in detail why the answer is b please?

QUESTIONS 16.5 The following information relates to a bank reconciliation. The bank balance in the cashbook before taking the items below into account was $8,970 overdrawn. E Bank charges of $550 on the bank statement have not been entered in the cashbook. E The bank has credited the account in error with $425 which belongs to another customer. Cheque payments totalling $3,275 have been entered in the cashbook but have not been presented for payment. Cheques totalling $5,380 have been correctly entered on the debit side of the cashbook but have not been paid in at the bank. What was the balance as shown by the bank statement before taking the above items into account? Im $9,520 overdrawn $11,200 overdrawn