Havin problems with the items below getting the FIFO, LIFO and the gross margin for FIFO method and LIFO method. I have attached the pictures of the problem. I don't know how to go about getting them.

Required information [The following information applies to the questions displayed below.] Hemming Co. reported the following current-year purchases and sales for its only product. Date Activities Units Acquired at Cost Units Sold at Retail Jan. 1 Beginning inventory 200 units @ $10 = $ 2,000 Jan. 10 Sales 150 units @ $40 Mar . 14 Purchase 350 units @ $15 = 5, 250 Mar . 15 Sales 300 units @ $40 July30 Purchase 450 units @ $20 = 9,000 Oct. 5 Sales 430 units @ $40 Oct . 26 Purchase 100 units @ $25 2,500 Totals 1, 100 units $18,750 880 units Required: lemming uses a perpetual inventory system. Determine the costs assigned to ending inventory and to cost of goods sold using FIFO. . Determine the costs assigned to ending inventory and to cost of goods sold using LIFO. . Compute the gross margin for FIFO method and LIFO method.1. Determine the costs assigned to ending inventory and to cost of goods sold using FIFO. 2. Determine the costs assigned to ending inventory and to cost of goods sold using LIFO. 3. Compute the gross margin for FIFO method and LIFO method. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Determine the costs assigned to ending inventory and to cost of goods sold using FIFO. Perpetual FIFO: Goods Purchased Cost of Goods Sold Inventory Balance Date # of Cost per # of units Cost per Cost of Goods Cost per Inventory units unit sold unit Sold # of units unit Balance January 1 200 @ $ 10.00 = $ 2,000.00 January 10 March 14 March 15 July 30 October 5 October 26 Totals 0.001. Determine the costs assigned to ending inventory and to cost of goods sold using FIFO. 2. Determine the costs assigned to ending inventory and to cost of goods sold using LIFO. 3. Compute the gross margin for FIFO method and LIFO method. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Determine the costs assigned to ending inventory and to cost of goods sold using LIFO. Perpetual LIFO: Goods Purchased Cost of Goods Sold Inventory Balance Date # of Cost per # of units Cost per Cost of Goods Cost per Inventory units unit sold unit Sold # of units unit Balance January 1 200 @ $ 10.00 = $ 2,000.00 January 10 March 14 March 15 July 30 October 5 October 26 Totals S 0.00Required: Hemming uses a perpetual inventory system. 1. Determine the costs assigned to ending inventory and to cost of goods sold using FIFO. 2. Determine the costs assigned to ending inventory and to cost of goods sold using LIFO. 3. Compute the gross margin for FIFO method and LIFO method. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Compute the gross margin for FIFO method and LIFO method. FIFO: LIFO: Sales revenue Less: Cost of goods sold Gross margin