(a1) Hogs Back Falls Ltd. uses the perpetual inventory system. Calculate Hogs Back's cost of goods sold, gross margin, and ending inventory for the month of February using FIFO. Cost of Goods Sold $ Gross Margin $ Ending Inventory $ ta eTextbook and Media Save for Later Attempts: 0 of 2 used Submit Answer Quesli View Policies Current Attempt in Progress The following information relates to Hogs Back Falls Ltd's inventory transactions during the month of February. Units Cost/Unit Amount Feb. 1 Beginning inventory 7,100 $ 27.00 $ 191,700 10 Sale 6,400 14 Purchase 4,300 $28.00 $ 120,400 18 Purchase 400 $31.00 $ 12,400 25 Sale 3,900 26 Purchase 3,700 $39.00 $ 144,300 28 Sale 2,700 All of the units sold were priced at $ 89.00 per unit. (a 1)