Required information [The following information applies to the questions displayed below.] The following information pertains to Mason Company for Year 2. Ending inventory consisted of 46 units. Mason sold 452 units at $102 each. All purchases and sales were made with cash. Operating expenses amounted to $3,525. Required . 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.)