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Problem 5-3A (Static) Perpetual: Alternative cost flows LO P1 Montoure Company uses a perpetual inventory system. It entered into the following calendar-year purchases and sales transactions. 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 600 units from beginning inventory, 300 from the February 10 purchase, 200 from the March 13 purchase, 50 from the August 21 purchase, and 250 from the September 5 purchase.) Complete this question by entering your answers in the tabs below. Compute the cost assigned to ending inventory using FIFO. Note: Round your average cost per unit to 2 decimal places. 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