Date 2/11/20 5/10/20 7/17/20 8/3/20 9/01/20 12/4/20 Description Purchased Purchased Sold Purchased Sold Purchased Quantity. 3 Items @ $12 per item 4 items @ $10 per item 4 items of inventory 6 items @ $11 per item 7 items of inventory 2 Items @ $12 per item a. Calculate ending inventory at 12/31/20 using the FIFO method. b. Calculate Cost of Goods Sold (COGS) at 12/31/20 using the FIFO method