The records for the Clothing Department of Headland's Discount Store are summarized below for the month of January. Inventory, January 1: at retail $25,100; at cost $17,200 Purchases in January: at retail $135,800; at cost $86,906 Freight-in: $7,000 Purchase returns: at retail $2,900; at cost $2,300 Transfers in from suburban branch: at retail $13,100; at cost $9,400 Net markups: $8,000 Net markdowns: $3,900 Inventory losses due to normal breakage, etc.: at retail $500 Sales revenue at retail: $96,900 Sales returns: $2,400