Problem A: Compute the cost of goods sold and ending inventory under FIFO, LIFO and Average Cost for the following scenario: Beginning inventory is so Date Activity Amount Cost per Unit Jan 1 Purchase 100 3.00 Jan 2 Purchase 200 3.40 Jan 3 Sale 150 Jan 5 Purchase 200 3.60 Jan 25 Sale 150 1 Jan 31 Ending inventory in units ??? and unit costs??? SHOW YOUR WORK