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 58 units. Mason sold 512 units at $138 each. All purchases and sales were made with cash. Operating expenses amounted to $3,975. 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.) 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 58 units. Mason sold 512 units at $138 each. All purchases and sales were made with cash. Operating expenses amounted to $3,975. b. What is the amount of net income using FIFO, LIFO, and weighted average? (Ignore income tax considerations.) (Round cost per unit to 3 decimal places and other intermediate answers and final answers to the nearest whole dollar amount.) 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 58 units. Mason sold 512 units at $138 each. All purchases and sales were made with cash. Operating expenses amounted to $3,975. c. Compute the amount of ending inventory using (7) FIFO, (2) LiFO, and (3) weighted average. (Round cost per unit to 3 decimal places and final answers to the nearest whole dollar amount.)