he following units of a particular item were available for sale during the calendar year: an. 1 Inventory 4,000 units at $20 Apr. 19 Sale 2,500 units une 30 Purchase 6,000 units at $24 Sept. 2 Sale 4,500 units Nov. 15 Purchase 1,000 units at $25 he 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 he data in the form illustrated in Exhibit 5. 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 Date Quantity Unit Cost Total Cost Quantity Unit Cost Total Cost Quantity Unit Cost Total Cost Jan. 1 4,000 20 80,000 Apr. 19 2,500 20 50,000 1,500 20 30,000 June 30 6,000 24 $ 144,000 X Sept. 2 4,500 X Nov. 15 1,000 25 25,000 X Pec. 31 Balances $