Required information

$[$The following information applies to the questions displayed below.$]$

As of June $30,$ Year $1,$ the bank statement showed an ending balance of $$19,500.$ The unadjusted Cash account balance was $$15,200.$ The following information is available:

Deposit in transit: $$2,400.$

Credit memo in bank statement for interest earned in June: $$30.$

Outstanding check: $$6,690.$

Debit memo for service charge: $$20.$

b$.$ Record in general journal format the adjusting entries necessary to correct the unadjusted book balance. $($If no entry is required for a transaction$/$event$,$ select $"$No journal entry required" in the first account field.$)$