The following three identical units of Item K113 are purchased during April:

	Item Beta		Units		Cost
April 2	Purchase		1		$138
April 15	Purchase		1		141
April 20	Purchase		1		144
Total			3		$423
Average cost per unit					$141	($423 3 units)

Assume that one unit is sold on April 27 for $172. Determine the gross profit for April and ending inventory on April 30 using the (a) first-in, first-out (FIFO); (b) last-in, first-out (LIFO); and (c) weighted average cost method.

	Gross Profit	Ending Inventory
a. First-in, first-out (FIFO)	$fill in the blank 1	$fill in the blank 2
b. Last-in, first-out (LIFO)	$fill in the blank 3	$fill in the blank 4
c. Weighted average cost	$fill in the blank 5	$fill in the blank 6