Required information [The following information applies to the questions displayed below.] The following information pertains to Mason Company for Year 2: Beginning inventory Units purchased 164 units @ $ 54 454 units @ $ 81 Ending inventory consisted of 66 units. Mason sold 552 units at $162 each. All purchases and sales were made with cash. Operating expenses amounted to $4,275. 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.) Gross Margin FIFO LIFO Weighted average