The following units of a particular item were available for sale during the calendar year: Jan. 1 Inventory 4,200 units at $39 Apr. 19 2.500 units June 30 Purchase 4,500 units at $45 Sept. 2 Sale 4,900 units Nov. 15 Purchase 1,800 units at $48 The firm maintains a perpetual inventory system. Determine the cost of goods sold for each sale and the inventory balance after each sale, assuming the first in, forst-out method. Present the data in the form illustrated in Exhibit 3. Under Firo, if units are in inventory at two different costs, enter the units with the LOWER unit cost first in the cost of Goods Sold Unt Cost column and in the Inventory Unit Cost column Schedule of Cost of Goods Sold FIFO Method Purchases Cost of Goods Sold Inventory Date Quantity Unit Cost Total Cost Quantity Unit Cost Total Cost Quantity Unit Cost Total Cost 4,200 Jan. 1 39.00 163,800 Apr. 19 June 30 - Sept. 2 Nov. 15 Dec. 31 Balances