read this everstop Corporation sells item A as part of its product line. Information about the beginning inventory, purchases, and sales of item A are given in the following table for the first six months of the current year. The company uses a perpetual inventory system: Purchases Sales Date Number of Units Unit Cost Number of Units Sales Price January 1 (beginning inventory) 600 $ 4.50 January 24 400 $ 6.00 February 8 700 $ 4.60 March 16 400 $ 6.00 June 11 700 $ 4.60