Please also provide an explanation/ work of how solved. Thank you :)

The following units of a particular item were available for sale during the calendar year: Jan. 1 Inventory 4,200 units at $41 Apr. 19 Sale 2,400 units June 30 Purchase 4,400 units at $45 Sept. 2 Sale 4,800 units Nov. 15 Purchase 1,900 units at $46 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, are in inventory at two different costs, enter the units with the LOWER unit cost first in the Cost of Goods Sold Unit Cost column and in the Inventory Unit Cost column. Schedule of Cost of Goods Sold FIFO Method Cost of Goods Sold Quantity Unit Cost Purchases Inventory Unit Cost Date Quantity Unit Cost Total Cost Total Costa Quantity Total Cost Jan. 1 4,200 41 S 172,200 2,400 41 98,400 1,800 41 Apr. 19 20,500 1,800 41 20,500 June 30 4,400 4,400 C 45 45 198,000 4,400 45 198,000 1,800 41 20,500 3,600 45 Sept. 2 3,600 45 45 Nov. 15 1,900 1,900 46 87,400 46 Dec. 31 Balances