Hahn Hardware provides the following information relating to its June inventory activity. Hahn uses a perpetual inventory system.

Required
a. Put Hahn's given information into a cost of goods sold model. What is unknown?
b. Compute the ending inventory and cost of goods sold using the FIFO, LIFO, and moving average costing methods. Round dollar amounts to the nearest penny.
c. Calculate the sum of the ending inventory and cost of goods sold for each method. What do you notice about the answer for each method?

Date Transaction Units Unit Cost Total Cost June 1 Inventory June 7 Purchase June 12 Sale June 18 Purchase June 20 Sale June 26 Purchase June 30 Sale 13 8.00 $104.00 22 950 $209.00 20 10 $10.25 $102.50 14 16 $11.00 $176.00 15