Hamilton Company uses a periodic inventory system. At the end of the annual accounting period, December $31$ of the current year, the accounting records provided the following information for product $1$:

$\backslash$table$[[,$Units,Unit Cost$],[$Inventory$,$ December $31,$ prior year,$2,000,5],[$For the current year:,,$],[$Purchase$,$ March $21,6,000,4],[$Purchase$,$ August $1,4,000,2],[$Inventory$,$ December $31,$ current year,$3,000,]]$

Required:

Compute ending inventory and cost of goods sold under FIFO, LIFO, and average cost inventory costing methods.

$\backslash$table$[[,$FIFO,LIFO,Average Cost$],[$Ending inventory,,,$],[$Cost of goods sold,,,$]]$