Problem 6-9A

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		155		$122
July	6						93
July	11		217		$136
July	14						155
July	21		248		$147
July	27						155