in this 1st month's opreation, Fish and Cake Inc. purchased $20,000 of inventory, paid $1,300 for shipping costs, returned $4,000 of the shipment to the supplier and received a $300 discount for early payment to its supplier, $5,000 of the inventrory which after all adjustments was sold during the month for $11,300. The balance at the end of the month in inventory should be?