On its September bank reconciliation, the Hill Company has the following items: Balance per bank statement, $9/30-$ $$40,000$ NSF check returned with $9/30$ bank statement $-$ $$550$ Deposits in transit, $9/30$ $$6,000$ Outstanding checks, $9/30-$ $$4,500$ Bank service charges for September $$20.$ What is the correct $9/30$ cash balance?