Please help me solve it. Solve accordingly in table form, just as in the question for easy understanding. Thanks.

(Question 6i)

(Question 6ii)

Required information [The following information applies to the questions displayed below. The following information pertains to Mason Company for 2018: Beginning inventory Units purchased 140 units $40 290 units$45 Ending inventory consisted of 60 units. Mason sold 370 units at $90 each. All purchases and sales were made with cash. Operating expenses amounted to $4100. 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 2 decimal places and final answers to nearest whole dollar amount.) FIFO | LIFO |Weighted Average Gross margin