Periodic Inventory by Three Methods; Cost of Merchandise Sold

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

Jan. 1 Inventory 50 units @ $106
Mar. 10 Purchase 70 units @ $116
Aug. 30 Purchase 10 units @ $122
Dec. 12 Purchase 70 units @ $124

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

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

Cost of Merchandise Inventory and Cost of Merchandise Sold
Inventory Method
Merchandise Inventory
Merchandise Sold
First in, first out (FIFO)
$
$
Last in, first out (LIFO)
Weighted average cost