Required information The following information applies to the questions displayed below] The following information pertains to Mason Company for Year 2 160 units 52 446 units $78 Ending inventory consisted of 64 units. Mason sold 542 units at $156 each. All purchases and sales were made with cash. Operating expenses amounted to $4,200. Required a. Compute the gross margin for Mason Company using the following cost flow assumptions: (1) FIFO, (2) LIFO, and (3) weighted average. (Round cost per unit to 3 decimal places and final answers to the nearest whole dollar amount.) in FIFO LIFO