Dewitt Company gathered the following information in preparing its bank reconciliation on May $31$: Cash balance per books, May $31,$ $$3,500$; deposits in transit, $$1,150$; note and interest collected by the bank, $$850$; bank service charge, $$20$; outstanding checks, $$2,500$; NSF check, $$170.$ The adjusted cash balance per books at May $31$ is