Question 03 (20 points) Dhaka Electronics has the following inventory data: Dhaka Electronics Date Unit Cost Total Cost 15 2700 3200 16 Explanation 1/1/2020 Beginning Inventory 4/15/2020 Purchases 6/13/2020 Sale 8/24/2020 Purchases 9/10/2020 Sale 11/27/2020 Purchases 11/30/2020 Sale Units 180 200 230 330 350 400 250 Balance in Units 180 380 150 480 130 530 280 16.5 5445 19 7600 18945 Instructions a. Under a perpetual inventory system, determine the cost of inventory on hand at December 31 and the cost of goods sold for March under a. FIFO, and b. Average - Cost. b. Determine the amount of gross profit under each method if sales revenue is 18500. c. Explain the impact of using different methods on net operating income