28. XYZ company purchased inventory with the following costs and quantities. A count of inventory at year end showed 1100 units. Calculate the cost of goods sold under FIFO, LIFO and Weighted average. 8 Points Date Quantity Price Per Unit 1-Jan 300 10 1-Feb 9 1-Jul 400 11 1-Aug 500 10 1-Oct 300 11 1-Dec 400 2100 200 12