Required Information Exercise 5-4A Effect of inventory cost flow (FIFO, LIFO, and weighted average) on gross margin LO 5-1 The following information applies to the questions displayed below.) The following information pertains to Mason Compony for Year 2: nog ning taventory Unita purchased 160 units 462 unita Ending inventory consisted of 68 units. Mason sold 562 units at $168 each All purchases and sales were made with cosh Operating expenses amounted to $4,350, Exercise 5-4A Part a Required a. Compute the gross margin for Mason Company using the following cost flow assumptions (0) FIFO (2) LIFO, and (a) weighted average. (Round cost per unit to 3 decimal places and final answers to the nearest whole dollar amount.) Groen Margin FIFO LIFO Weighted average