Question 4 Waterway Industries began operations on July 1. It uses a perpetual Inventory system. During July, the company had the following purchases and sales CALCULATOR PRINTER VERSION Units Purchases Unit Cost $56 Sales Units Date July 1 July 6 July 11 July 14 July 21 July 27 $60 $64 (1) Calculate average cost for each unit (For calculation and answers purpose round unit costs to 2 decimal places... 15.25.) July July 6 s. July 11 July 24 s. July 21 s July 27 s LINK TO TEXT