q12 The units of an item available for sale during the year were as follows: Jan 1 Inventory 20 units at 127 April 15 Purchase 135 units at 117 September 9 Purchase 24 units at 122 There are 46 units of the item in the physical inventory at December 31. The periodic inventory system is used. Determine the inventory cost using the last-in, first-out (LIFO)