Stracka Appliance uses a perpetual inventory system. For its model B47 television sets, the January 1 inventory was four sets at \(\$ 600\) each. During January, the following purchase was made: Jan. 10,6 units at \(\$ 640\) each. That month, the company had the following sales: Jan. 8,2 units and Jan. 15, 4 units.

\section*{Instructions}

Compute the ending inventory under (1) FIFO, (2) LIFO, and (3) average cost.