Periodic inventory by three methods; cost of goods sold The units of an item available for sale during the year were as follows: Jan. 1 Inventory 40 units at $92 Mar. 10 Purchase 70 units at $104 Aug. 30 Purchase 20 units at $108 Dec. 12 Purchase 70 units at $114 There are 80 units of the item in the physical inventory at December 31. The periodic inventory system is used. Determine the ending inventory cost and the cost of goods sold by three methods. Round interim calculations to one decimal and final answers to the nearest whole dollar. blank Cost of Ending Inventory and Cost of Goods Sold Inventory Method Ending Inventory Cost of Goods Sold First-in, first-out (FIFO) $fill in the blank 1 10,356 $fill in the blank 2 10,744 Last-in, first-out (LIFO) fill in the blank 3 fill in the blank 4 Weighted average cost fill in the blank 5 fill in the blank 6