Can someone tell me how to calculate this? Thanks!

The following information is needed to reconcile the cash balance for Discount Dry Cleaning Company. A deposit of $5,500 is in transit. * Outstanding checks total $1,400. The book balance is $6,400 at February 28, 2019. The bookkeeper recorded a $1,600 check as $17,200 in payment of the current month's rent The bank balance at February 28, 2019 was $18,110. A deposit of $400 was credited by the bank for $4,000. A customer's check for $3,300 was returned for nonsufficient funds. The bank service charge is $90. What was the adjusted book balance