During July, the following purchases and sales were made by Vaughn Company. There was no beginning inventory. Vaughn Company uses a perpetual inventory system. Purchases Sales July 3 48 units @ $16 July 13 48 units 11 48 units @ $17 22 25 units 20 25 units @ $18 Under the LIFO method, the cost of goods sold for each sale is: July 13 July 22 $816 $450 $864 $450 0 $776 $400 $816 $425