Dhaka Electronics has the following inventory data: Dhaka Electronics Date Explanation 43831 Beginning Inventory 43936 Purchases 44067 Purchases 44084 Sale 44162 Purchases 44165 Sale Units Unit Cost Total Cost 175 10 1750 200 11 2200 330 12 3960 550 400 13 5200 250 13110 Balance in Units 175 375 705 155 555 305 Instructions a. Under a perpetual inventory system, determine the cost of inventory on hand at March 31 and the cost of goods sold for March under (a) FIFO, (b) LIFO, and (c) average-cost