Marigold Corp. had 500 units of Dink in its inventory at a cost of $4 each. It purchased, for $2370, 310 more units of Dink. Marigold then sold 590 units at a selling price of $9 each, resulting in a gross profit of $1820. The cost flow assumption used by Marigold

is LIFO.

cannot be determined from the information given.

is FIFO.

is weighted average.