Given the following information for a retailer, compute the cost of goods sold.
Import duties......................................................................................................... $ 1,100
Purchases............................................................................................................... $42,000
Ending inventory................................................................................................... $ 5,400
Revenues............................................................................................................... $71,000
Marketing expenses.............................................................................................. $10,000
Beginning inventory.............................................................................................. $ 4,200
Website maintenance............................................................................................ $ 7,500
Delivery expenses................................................................................................. $ 1,300
Freight-in............................................................................................................... $ 3,600