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Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March. 2. Compute the number of units in ending inventory. Complete this question by entering your answers in the tabs below. Compute the cost assigned to ending inventory using FIFO. Complete this question by entering your answers in the tabs below. Compute the cost assigned to ending inventory using LIFO. Complete this question by entering your answers in the tabs below. Compute the cost assigned to ending inventory using weighted average. Note: Round your average cost per unit to 2 decimal places. Complete this question by entering your answers in the tabs below. Compute the cost assigned to ending inventory using specific identification. For specific identification, units sold include 140 units from units from the March 5 purchase, 120 units from the March 18 purchase, and 160 units from the March 25 purchase. 4. Compute gross profit earned by the company for each of the four costing methods. For specific identification, units sold include 140 units from beginning inventory, 270 units from the March 5 purchase, 120 units from the March 18 purchase, and 160 units from the March 25 purchase. Note: Round weighted average cost per unit to two decimals and final answers to nearest whole dollar