Costanza Company experienced the following events and transactions in July.

July $1$ Received $$4,100$ cash in advance of performing work for Vivian Solana.

July $6$ Received $$6,200$ cash in advance of performing work for Iris Haru.

July $12$ Completed the job for Solana.

July $18$ Received $$8,100$ cash in advance of performing work for Amina Jordan.

July $27$ Completed the job for Haru.

July $31$ None of the work for Jordan has been performed.

a$.$ Prepare journal entries $($including any adjusting entries as of the July $31$ month$-$end$)$ to record these events using the procedure of initially crediting the Unearned Revenue account when payment is received from a customer in advance of performing services.

Note: If no entry is required for a transaction$/$event$,$ select $"$No journal entry required" in the first account field.