View previ 3. Compute the cost assigned to ending inventory using (a) FIFO, (b) LIFO, (c) weighted average, and (d) specific identification. For specific identification, units sold consist of 635 units from beginning inventory, 335 from the February 10 purchase, 235 from the March 13 purchase, 85 from the August 21 purchase, and 320 from the September 5 purchase. Note: Round your average cost per unit to 2 decimal places. Round your final answers to the nearest whole dollar amount. Ending Inventory (a) FIFO (b) LIFO (c) Weighted average (d) Specific identification 4. Compute gross profit earned by the company for each of the four costing methods. Note: Round your average cost per unit to 2 decimal places. Round your final answers to the nearest whole dollar amount. Sales Less: Cost of goods sold Gross profit FIFO LIFO Weighted Average Specific Identification $ 0 $ 0 $ 0 $