Hi, please help with the red marked part!

Required information Problem 6-1A Perpetual: Alternative cost flows LO P1 The following information applies to the questions displayed below. Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March Date Mar. 1 Beginning inventory Mar. 5 Purchase Mar. 9 Sales Mar. 18 Purchase Mar. 25 Purchase Mar. 29 Sales Activities Units Acquired at Cost 200 units@ $53.00 per unit 275 units@ $58.00 per unit Units Sold at Retail 360 units $88.00 per unit 135 units $63.00 per unit 250 units@ $65.00 per unit 230 units $98.00 per unit 590 units Totals 860 units Problem 6-1A Part 3 3. Compute the cost assigned to ending inventory using (a) FIFO, (b) LIFO, (c) weighted average, and (d) specific identification. For specific identification, the March 9 sale consisted of 115 units from beginning inventory and 245 units from the March 5 purchase; the March 29 sale consisted of 95 units from the March 18 purchase and 135 units from the March 25 purchase