6. Beech Soda, Inc. uses a perpetual inventory system. The company's beginning inventory of a particular product and its purchases during the month of January were as follows: Quantity 16 14 23 53 Beginning inventory (Jan. 1) Purchase (Jan. 11) Purchase (Jan. 20) Total Unit Cost $ 10 12 $ 15 $ Total Cost $ 160 168 345 $ 673 On January 24, Beech Soda, Inc. sold 25 units of this product. The other 28 units remained in inventory at January 31. Assuming that Beech Soda uses the LIFO cost flow assumption, the cost of ending inventory at January 31 is: * (3 Points) $393 $278 $304 $268