A bank statement shows a balance of $8,190 at June 30. The bank reconciliation is prepared and includes outstanding checks of $2,180, deposits in transit of $1,640, and a bank service charge of $20. Among the paid checks returned by the bank was check number 900 in the amount of $580, which the company had erroneously recorded in the accounting records as $60. The "adjusted cash balance" at June 30 is: