The units of an item available for sale during the year were as follows: 1-Jan Inventory 12 units at $45 $40 7-Jul Purchase 18 units at $50 $900 23-Nov Purchase 15 units at $54 $810 Available for Sale 45 units $2,250 There are 11 units of an item in the physical inventory at December 31. The periodic inventory system is used. Detemine the inventory cost using (a) the FIFO method, (b) LIFO method and (c ) the average cost method.

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