Use the following information to calculate the value of inventory on hand on Mar 31 and cost of goods sold during March using FIFO perpetual inventory system. 01-Mar Beginning Inventory 50 units @ R15 per unit 5 Purchase 130 units @ 20 per unit 9 Sale 90 units @ 22 per unit 11 Purchase 39 units @ R16 per unit 16 Purchase 79 units @ R17per unit 20 Sale 120 units @ R21 per unit 29 Sale 61 units @ R22 per unit