Akira Company had the following transactions for the month. Number Total of Units Cost Beginning inventory 140 $1,400 Purchased Mar 31 160 1,920 Purchased Oct. 15 130 1,950 Total goods available for sale 430 5,270 Ending inventory 50 ? Calculate the gross margin for the period for each of the following cost allocation methods, using periodic Invertory updating. Assume that all units were sold for $30 each Round your intermediate calculations to 2 decimal places and final answers to the nearest dollar amount. Gross Margin A. First-In, First-out (FIFO) B. Last-In, First-out (LIFO) C. Weighted Average (AVG)