Wittmann Co. began operations on July 1. It uses a perpetual inventory system. During July, the company had the following purchases and sales.

Purchases
Date	Units	Unit Cost	Sales Units
July	1	105	$122
July	6	63
July	11	147	$136
July	14	105
July	21	168	$147
July	27	105

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Calculate the average cost per unit at July 1, 6, 11, 14, 21 & 27. (Round answers to 2 decimal places, e.g. $105.50.)

Average cost for each unit
July	1	$ 122
July	6	$
July	11	$
July	14	$ 132.89
July	21	$
July	27	$