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 Units Acquired at Cost Units Sold at Retail 100 units @ $2 - $ 200 86 units @ $ 8 138 units @ $3 = $ 414 120 units @ $ 8 150 units @ $4 - $ 600 122 units @ $ 8 44 units @ $5 - $ 220 432 units $ 328 units 1, 434 Sales Purchase 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