Thompson Company developed the following reconciling information in preparing its October bank reconciliation: Cash balance per bank, 10/31 $17,000 Note receivable collected by bank 4,800 Outstanding checks 6,500 Deposits-in-transit 3,000 Bank service charge 50 NSF check 2,300 Using the above information, determine the cash balance per books (before adjustments) for the Thompson Company. a. $19,450 b. $15,950 c. $11,050 d. $11,150