Section 5 Ford Co. uses a periodic inventory system. Its records show the following for the month of May, in which 75 units were sold. Units Unit Cost Total Cost May 1 Inventory 35 $ 8 $ 280 15 Purchases 30 360 24 Purchases 40 13 520 Totals 105 $1,160 12 Instructions Compute the ending inventory at May 31 and cost of goods sold using the FIFO, Average Cost, and LIFO methods. Please note the average cost per unit should be rounded to two decimal points. 4