Terando 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	10	$129
July	6	8
July	11	14	$145
July	14	6
July	21	16	$156
July	27	12

(a1)Calculate the average cost per unit at July 1, 6, 11, 14, 21 & 27.(Round answers to 3 decimal places, e.g. $105.250.)

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