Weighted Average Cost Flow Method Undor Perpetual Inventory System The following units of a particular item were available for sale during the calendar year: The firm uses the weighted average cost method with a perpetual inventory system. Determine the cost of merchandise sold for each sale and the inventory balance after each sale. Present the data in the form alustratod in Exhibit 5. Round unt cost to two decimal places, if necessary. 5 s., 000 ints at ist.00 is, ood unva: 2+000 incost 572,10