Rainey Company's true cash balance at October 31 is $5,030. The following information is available for the bank reconciliation: . Outstanding checks, $780 Deposits in transit, $540 Bank service charges, $105 The bank had collected an account receivable for Rainey Company, $1,150 The bank statement included a NSF check written by one of Ramsey's customers for $690. What was the unadjusted book balance at October 31