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 40 units @ $2 = $80 30 units @ $8 70 units @ $3 = $210 68 units @ $8 90 units @ $4 = $360 86 units @ $8 20 units @ $5 - $100 220 units $750 176 units Required: The company uses a perpetual 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 Determine the costs assigned to ending inventory and to cost of goods sold using FIFO. Parets FIFO