Weighted Average Cost Flow Method Under Perpetual Inventory System The following units of a particular item were available for sale during the calendar year: Jan. 1 Inventory 30,000 units at $30.00 Mar. 18 Sale 24,000 units May 2 Purchase 54,000 units at $31.00 Aug. 9 Sale 45.000 units Oct. 20 Purchase 21.000 units at $32.10 firm uses the weighted average cost method with a perpetual system. each sale and the nventory balance after The inventory Determine the cost of merchandise sold for each sale Present the data in the form ustrater Exhibit S Round unit cost to two decimal places, if necessary. Schedule of Cost of Merchandise Sold Weighted Average Cost Flow Method Purchases Cost of Merchandise Sold Inventory Quantity Total Cost Unit Total Cost Quantity Unit Cost Total Cost Unit Cost Date Quantity Cost Jan. 1 Mar. 18 May 2 Aug. 9 Oct. 20 Dec. 31 Balances