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eBook Show Me How Calculator Periodic Inventory by Three Methods The units of an item available for sale during the year were as follows: Jan. 1 Inventory 14 units at $45 Feb. 17 Purchase 8 units at $47 Jul 21 Purchase 4 units at $49 Nov. 23 Purchase 14 units at $49 There are 24 units of the item in the physical inventory at December 31. The periodic inventory system is sed. Round average unit cost to one decimal and final answers to the nearest whole dollar, it required. 3. Determine the inventory cont by the first in first out method. b. Determine the inventory cost by the last in tout method c. Determine the inventory cost by the lohted average cost method