Periodic Inventory by Three Methods The units of an item avallable for sale during the year were as follows: Jan. 1 Inventory 10 units at $40 Feb. 17 Purchase 13 units at $42 Jul. 21 Purchase 10 units at $44 Nov. 23 Purchase 19 units at $45 There are 10 unts 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, Pirst cut method, c. Determine the inventory cost by the weighted average cost method Fee