The July 2009 inventor records of Maros bookstore showed the following:

	No. of Units	Unit Cost
July 1.beginning	18,000	$2.00
July 5 sold	4,000
July 13Purchases	6,000	2.50
July 17 sold	3,000
July 25purchase	8,000	2.8
July 27 sold	5,000

Required :

Using the perpetual inventory method , compute the ending inventory and cost of goods sold balance with FIFO and LIFO on sheets specifically. Assume the physical count units is 20,000