Cortez Company sells chairs that are used at computer stations. Its beginning inventory of chairs was $130$ units at $$115$ per unit. During the year, Cortez made two batch purchases of this chair. The first was a $230-$unit purchase at $$130$ per unit; the second was a $268-$unit purchase at $$138$ per unit. During the period, it sold $378$ chairs. Determine the amount of product costs that would be allocated to cost of goods sold and ending inventory, assuming that Cortez uses:

FIFO.

LIFO.

Weighted average.