Bridgeport Inc.s inventory for the month of November was as follows:

Date			Description		Units			Unit Cost
Nov.	1		Beginning inventory		100			$39
	4		Purchase		500			42
	11		Sale		(450	)
	16		Purchase		750			45
	20		Sale		(800	)
	27		Purchase		600			46

(a) Calculate the ending inventory and cost of goods sold using the average cost formula in (1) a perpetual inventory system, and (2) a periodic inventory system. (Round answers to 2 decimal places, e.g. 1.25.)