Question: The units of an item available for sale during the year were as follows:
Jan. 1 Inventory 6 units at $28 Feb.
4 Purchase 12 units at $30 July
20 Purchase 14 units at $32 Dec.
30 Purchase 8 units at $33
There are 11 units of the item in the physical inventory at December 31. The periodic inventory system is used. Determine the inventory cost by
(a) the first-in, first-out method,
(b) the last-in, first-out method, and
(c) the average cost method.