Gleem Sales Corporation uses the perpetual inventory system. On January 1, 2019, Gleem had: 2,600 units of product B with a unit cost of $40 per unit. A summary of purchases and sales during 2019 follows (30 Marks):

	Unit Cost	Units Purchased	Units Sold
Mar. 8	$44	3,000
June 13			4,000
Sept.19	50	800
Nov.23	55	1,200
Dec.28			2,800

Required a. Assume that Gleem uses the first-in, first-out method. Compute the cost of goods sold for 2019 and the ending inventory balance at December 31, 2019, for product B. B. Assume that Gleem uses the last-in, first-out method. Compute the cost of goods sold for 2019 and the ending inventory balance at December 31, 2019, for product B.

C. Assume that Gleem uses the weighted-average cost method. Compute the cost of goods sold for 2019 and the ending inventory balance at December 31, 2019, for product B.