Orion Iron Corporation tracks the number of units purehased and sold throughout each year but apples its inventory costing method at the end of the yeat, as if it uses a periodic inventory system. Assume its accounting records proviged the following infarmation at, the end of the annual accounting period, December 31 . Required: 1. Caiculate the number and cost of goods avallable for sale. 2. Calculate the number of units in ending inventory. 3. Compute the cost of ending inventory and cost of goods sold under (a) FIFO, (b) LIFO, and (c) weighted average cost 4. Prepare an income statement that shows under the FIFO method, LIFO method and welghted average method 6. Which inventory costing method minimizes income taxes? Complete this question by entering your answers in the tabs below. Prepare an Income Statement that shows under the FIFO method, LIFO method and weighted average method