Inventories and Cost of Sales Problems As... (i) Montoure Company uses a perpetual inventory system. It entered into the following calendar-year purchases and sales transactions March 13 purchase, 110 from the August 21 purchase, and 310 from the September 5 purchase.) 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 consist of 630 units from bes from the February 10 purchase, 100 from the March 13 purchase, 110 from the August 21 purchase, and 310 from the September 5 purchase