Cortez Company sells chairs that are used at computer stations. Its beginning inventory of chairs was $120$ units at $$55$ per unit. During the year, Cortez made two batch purchases of this chair. The first was a $142-$unit purchase at $$62$ per unit; the second was a $220-$unit purchase at $$66$ per unit. During the period, it sold $286$ chairs.

Required

a$-1.$ Determine the amount of product costs that would be allocated to cost of goods sold, assuming that Cortez uses FIFO.

a$-2.$ Determine the amount of product costs that would be allocated to ending inventory, assuming that Cortez uses FIFO.

b$-1.$ Determine the amount of product costs that would be allocated to cost of goods sold, assuming that Cortez uses LIFO.

b$-2$ Determine the amount of product costs that would be allocated to ending inventory, assuming that Cortez uses LIFO.

c$.$ Determine the amount of product costs that would be allocated to cost of goods sold and ending inventory, assuming that Cortez uses Weighted average.