Required information (The following information applies to the questions displayed below.) Tree Seedlings has the following current-year purchases and sales for its only product. Date January 1 January 3 February 14 February 15 June 30 November 6 November 19 Activities Beginning inventory Sales Purchase Sales Purchase Sales Purchase Units Acquired at Cost Units Sold at Retail 140 units @ $2 $ 280 102 units @ $ 8 210 units @ $3 $ 630 160 units @ $ 8 190 units @ $4 $ 760 146 units @ $ 8 60 units @ $5 $ 300 $ 600 units 408 units 1,970 = Totals 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 profit for each method