Question 4 Hanlin Company uses the periodic inventory system to account for inventories. Information related to Hanlin Company's inventory at January 31 is given below: January 1 Beginning inventory 400 units @ $12.00 = $4,800 8 Purchase 800 units @ $12.40 = $9,920 16 Purchase 600 units @ $12.80 = $7,680 24 Purchase 200 units @ $13.20 = $2,640 Total units and cost 2,000 units $25,040 (a) Show computations to value the ending inventory using the FIFO cost assumption if 650 units remain on hand at January 31. (b) Show computations to value the ending inventory using the weighted average cost method if 650 units remain on hand at January 31. (c) Show computations to value the ending inventory using the LIFO cost assumption if 650 units remain on hand at January 31