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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 $90
Mar. 10	Purchase	40 units at $100
Aug. 30	Purchase	30 units at $106
Dec. 12	Purchase	100 units at $110

There are 80 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.

Cost of Ending Inventory and Cost of Goods Sold

Inventory Method	Ending Inventory	Cost of Goods Sold
First-in, first-out (FIFO)	$fill in the blank 1	$fill in the blank 2
Last-in, first-out (LIFO)	fill in the blank 3	fill in the blank 4
Weighted average cost	fill in the blank 5	fill in the blank 6