16 . please i need the answer

In preparing its bank reconciliation for the month of September 2011, Mazaya, Inc. has available the following information Balance per bank statement (9/30/11) R.O.78,280; NSF check returned with 9/30/11 bank statement R.O. 900, Deposits in transit (9/30/11) R.O. 10,000; Outstanding checks (9/30/11) RO 10,400, Bank service charges for September R.O. 40, check erroneously charged by bank R.O. 300. What should be the adjusted cash balance at September 30, 2011? Select one: O a. R.O.77,280 O b. R.O.77,240 O C. R.O. 78, 180. O d. R.O.77,880