Weighted ayerage cost fiow method under perpetual inventory system The following units of a particular item were avalable for sale durng the calendae yean: The firm uses the weighted average cost method with a perpetual inventory system. Determine the cose of goods sold for each sale and the inventory balance atter oach thie Present the data in the form illustrated in Exhibit 5. Round your "Unit Cost" answers to two decimal places. of goods sold for each sale and the inventory balance after each sale. places