John$$s Specialty Store uses a perpetual inventory system. The following are some inventory transactions for the month of May:

John$$s purchased merchandise on account for $$5,400.$ Freight charges of $$500$ were paid in cash.

John$$s returned some of the merchandise purchased in $(1).$ The cost of the merchandise was $$800$ and John$$s account was credited by the supplier.

Merchandise costing $$3,000$ was sold for $$5,600$ in cash.

Required:

Prepare the necessary journal entries to record these transactions. $($If no entry is required for a transaction$/$event$,$ select $"$No journal entry required" in the first account field.$)$