June	1	On hand, 50 units at $18.00 each	$900.00
	4	Purchased 115 units at $18.20 each	$2,093.00
	5	Sold 100 units
	10	Purchased 75 units at $18.25 each	$1,368.75
	24	Sold 40 units
		Total cost of goods available for sale	$4,361.75
	30	On hand, 100 units

If the company uses the FIFO inventory costing method, cost of goods sold for the month of June is:

a. $2,538.00

b. $2,550.00

c. $2,520.00

d. $2,540.00