How do you solve for this?

Marjorie Company's cash balance per the books at the end of the month was

$ 6,800. After comparing the company's records with the monthly bank statement, Marjorie's accountant identified the following reconciling items: outstanding checks, $800; deposits in transit, $700; bank service charge, $ 30 and NSF check, $ 400. The bank collection of a note receivable was

$ 1300 plus interest of $ 130. There also was an EFT payment of $ 170.

What is the adjusted book balance at the end of the month?