Tree Seedlings has the following current-year purchases and sales for its only product. Date Activities Jan. 1 Beginning inventory Jan. 3 Sales Feb. 14 Purchase Feb. 15 Sales June 30 Purchase Nov. 6 Sales Nov. 19 Purchase Totals Units Acquired at Cost Units Sold at Retail 60 units @ $2 $120 38 units @ $8 86 units @ $3 $258 76 units @ $8 110 units @ $4 - $440 98 units @ $8 28 units @ $5 - $140 284 units $958 212 units Required: The company uses a periodic inventory system. a. Determine the costs assigned to ending inventory and to cost of goods sold using FIFO. b. Determine the costs assigned to ending inventory and to cost of goods sold using LIFO. c. Compute the gross margin for each method. Complete this question by entering your answers in the tabs below. Required la Required B Required C Required: The company uses a periodic inventory system. a. Determine the costs assigned to ending inventory and to cost of goods sold using FIFO. b. Determine the costs assigned to ending inventory and to cost of goods sold using LIFO. c. Compute the gross margin for each method. Complete this question by entering your answers in the tabs below. Required A Required B Required Determine the costs assigned to ending inventory and to cost of goods sold using FIFO. Cost of Periodic Inventory System Ending Inventory Goods Sold FIFO Required B) Required: The company uses a periodic inventory system. a. Determine the costs assigned to ending inventory and to cost of goods sold using FIFO. b. Determine the costs assigned to ending inventory and to cost of goods sold using LIFO. c. Compute the gross margin for each method. Complete this question by entering your answers in the tabs below. Required A Required B Required Determine the costs assigned to ending inventory and to cost of goods sold using LIFO. Periodic Inventory System Ending Inventory Cost of Goods Sold LIFO Required: The company uses a periodic inventory system. a. Determine the costs assigned to ending inventory and to cost of goods sold using FIFO. b. Determine the costs assigned to ending inventory and to cost of goods sold using LIFO. c. Compute the gross margin for each method. Complete this question by entering your answers in the tabs below. Required A Required B Required C Compute the gross margin for each method. FIFO LIFO Gross Margin Sales Cost of goods sold Gross margin $ 0 $ 0