help needed please

The accounting records of Teal Mountain Electronics show the following data.

Beginning inventory		2,000	units at	$6
Purchases		8,000	units at	$7
Sales		9,000	units at	$10

Determine cost of goods sold during the period under a periodic inventory system using the average-cost method. (Round average-cost per unit to 3 decimal places, e.g. 12.502 and final answer to 0 decimal places, e.g. 1,250.)

		Average-cost
Cost of goods sold during the period		$enter a dollar amount