A review of the bank statement and accounting records of the Blake Company revealed the following items: Item no Description 1) Three outstanding checks 2) A debit memo showing a bank service charge 3) A deposit in transit 4) An NSF check written by one of Blake's customers 5) A certified check written by Blake 6) A credit memo reflecting interest revenue earned by Blake Which of the item(s) would be subtracted from the company's unadjusted book balance to determine the true cash balance