Dymac Appliances uses the periodic inventory system. Details regarding the inventory of appliances at January $1,$ purchases invoices during the next $12$ months, and the inventory count

at December $31$ are summarized as follows:

Purchases Invoices

Required:

Determine the cost of the inventory on December $31$ by the first$-$in$,$ first$-$out method.

If the inventory of a particular model comprises one entire purchase plus a portion of another purchase acquired at a different unit cost, use a separate line for each purchase. If units

are in inventory at two different costs, enter the units PURCHASED MOST RECENTLY first.

Determine the cost of the inventory on December $31$ by the last$-$in$,$ first$-$out method.

If the inventory of a particular model comprises one entire purchase plus a portion of another purchase acquired at a different unit cost, use a separate line for each purchase. If units

are in inventory at two different costs, enter the OLDEST units first.