MKG 3500 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 12 units at $30 10 units at $32 Feb. 17 Purchase Jul. 21 Purchase 5 units at $35 Nov. 23 Purchase 8 units at $37 There are 17 units of the item in the physical inventory at December 31. The periodic inventory system i and final answers to the nearest whole dollar, if required. a. Determine the inventory cost by the first-in, first-out method. b. Determine the inventory cost by the last-in, first-out method. c. Determine the inventory cost by the weighted average cost method. VAN O