Trooper Company has provided the following inventory data for the year: 
Required:
Compute the cost of goods sold and the ending inventory using the periodic inventory system for each of the following cost flow assumptions:
a.FIFO
b.LIFO
c.weighted average
Definitions:
Mobile Device
A portable computing device such as a smartphone or tablet computer.
Widgets
A generic term often used in economics or technology to refer to any hypothetical manufactured product.
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