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 $38$ units. Mason sold $412$ units at $$78$ each. All purchases and sales were made with cash.

Operating expenses amounted to $$3,225.$

Required

a$.$ Compute the gross margin for Mason Company using the following cost flow assumptions: $(1)$ FIFO, $(2)$ LIFO, and $(3)$ weighted

average.

Note: Round cost per unit to $3$ decimal places and final answers to the nearest whole dollar amount.