Periodic inventory using FIFO, LIFO, and weighted average cost methods

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

Date	Line Item Description	Units	Cost per Unit	Amount
Jan. 1	Inventory	40 units	at $165	$6,600
Aug. 13	Purchase	200 units	at $180	36,000
Nov. 30	Purchase	60 units	at $200	12,000
	Available for sale	300 units		$54,600

There are 75 units of the item in the physical inventory at December 31. The periodic inventory system is used. Determine the inventory cost using the (a) first-in, first-out (FIFO) method; (b) last-in, first-out (LIFO) method; and (c) weighted average cost method.

Line Item Description	Amount
a. First-in, first-out (FIFO) method	$fill in the blank 1
b. Last-in, first-out (LIFO) method	$fill in the blank 2
c. Weighted average cost method	$fill in the blank 3