Perpetual Inventory Using FIFO 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 Sale 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 first-out method. Present the data in the form illustrated in Exhibit 3. Under FIFO, If units are in inventory at two different costs, enter the units with the LOWER unt cost first in the cost of Goods Sold Unit Cost column and in the eventory Unit Cast 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 Jan. 1 4,200 19.00 $ 163.000 Apr. 19 June 30 Sept. 2 Nov. 15 1