139. The units of an item available for sale during the year were as follows:
There are 48 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. Show your work.
140. The units of Manganese Plus available for sale during the year were as follows:
There are 15 units of the product in the physical inventory at November 30. The periodic inventory system is used. Determine the inventory cost by
(a) FIFO, (b) LIFO, and (c) average cost methods.
$3,285 / 91 = $36.10 per unit
15 units @ $36.10 = $541.50
First-in, first-out (FIFO) method: $7,392 = (48 units ´ $154)
Last-in, first-out (LIFO) method: $6,960 = (48 units ´ $145)
Average cost method: $7,200 (48 units ´ $150.00), where average cost = $150.00 = $33,750/225 units
units at $145
$8,700
units at $150
13,500
units at $154
11,550
units (at average cost of $150)
$33,750