In the process of reconciling Marks Enterprises' bank statement for September, Mr. Marks compiled the following information:

Cash balance per company books on Semptember 30- $6,255

Deposits in transit at month end- $1,340

Outstanding checks at months end- $660

Bank charge for printing new checks- $65

Note recievable and interest collected by bank on Mark's behalf- $730

A check given to Mark's during the month by a customer is returned by the bank as NSF- $520

The adjusted cash balance per the books on September 30 is?