Akira Company had the following transactions for the month. Number Total of Units Cost Beginning inventory 120 $1,200 Purchased Mar. 31 170 2,040 Purchased Oct. 15 140 2,100 Total goods available for sale 430 5,340 Ending inventory 60 ? Calculate the gross margin for the period for each of the following cost allocation methods, using periodic inventory updating. Assume that all units were sold for $25 each. Round your intermediate calculations to 2 decimal places and final answers to the nearest dollar amount. A. First-in, First-out (FIFO) B. Last-in, First-out (LIFO) C. Weighted Average (AVG) Feedback Gross Margin 900 X 600 X 12.42 X Check My Work Calculate the sales amount by applying the appropriate costing method (FIFO, LIFO, Weighted-average cost). Determine the cost of goods sold amount (total inventory available less the ending inventory balance). These two figures are needed to calculate the gross margin.