eBook Show Me How Periodic Inventory by Three Methods The units of an item available for sale during the year were as follows: 1 eventory 14 units at $41 20 units at $42 5 units at $44 Jan. Feb. 17 Purchase Jul. 21 Purchase Nov. 23 Purchase There are 14 units of the item in the physical inventory at December 31. The periodic inventory system is used. Round average unit cost to the nearest cent and final answers to the nearest whole dollar, if required. Determine the inventory cost by the first-in, first-out method. b. Determine the inventory cost by the last-in, first-out method e. Determine the inventory cost by the weighted average cast method. Round average unit o I places, and round your final answer to the nearest dollar