Waterway Appliance uses a perpetual inventory system. For its flat$-$screen television sets, the January $1$ inventory was $3$ sets at $$640$ each. On January $10,$ Waterway purchased $6$ units at $$710$ each. The company sold $2$ units on January $8$ and $5$ units on January $15.$

$($a$)$

Compute the ending inventory under FIFO.

FIFO

The ending inventory

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