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Periodic inventory by three methods; cost of goods sold

The units of an item available for sale during the year were as follows:

Jan. 1	Inventory	30 units at $130
Mar. 10	Purchase	70 units at $140
Aug. 30	Purchase	10 units at $144
Dec. 12	Purchase	90 units at $146

There are 60 units of the item in the physical inventory at December 31. The periodic inventory system is used.

Determine the ending inventory cost and the cost of goods sold by three methods. Round interim calculations to one decimal and final answers to the nearest whole dollar.

9 Cost of Ending Inventory and cost of Goods Sold Inventory Method Ending Inventory Cost of Goods Sold First-in, first-out (FIFO) $ Last-in, first-out (LIFO) Weighted average cost 1