Specialty Store uses a periodic inventory system. The following are some inventory transactions for the month of May:

Specialty Store purchased inventory on account for $6,200. Freight charges of $900 were paid in cash.

Specialty Store returned some of the inventory purchased in the transaction (1). The cost of the inventory was $1,200 and Specialty Stores account was credited by the supplier.

Inventory costing $3,400 was sold for $6,400 in cash.

Required: Prepare the necessary journal entries to record these transactions.