Gordon Company has the following data available:

Transaction	Units Purchased	Unit Cost	Units Sold
Beginning Inventory	300	$10
March 1 Purchase	200	$12
April 25 Sale			320
June 10 Purchase	330	$14
July 20 Sale			240
October 30 Purchase	310	$14
December 15 Sale			390

If Gordon Company uses a perpetual FIFO inventory system, the cost of ending inventory on December 31 is ________.