Required a. Compute the cost of goods sold and ending inventory, assuming (1) FIFO cost flow, (2) LIFO cost flow, and (3) weighted-average cost flow. Compute the income tax expense for each method. b. Prepare the Year 3 income statement, balance sheet, and statement of cash flows under FIFO, LIFO, and weighted average. (Hint: Record the events under an accounting equation before preparing the statements.)