Bramble Corp. acquired a tract of land containing an extractable natural resource. Bramble is required by its purchase contract to restore the land to a condition suitable for recreational use after it has extracted the natural resource. Geological surveys estimate that the recoverable reserves will be 2580000 tons, and that the land will have a value of $940000 after restoration. Relevant cost information follows:

Land	$7540000
Estimated restoration costs	1420000

If Bramble maintains no inventories of extracted material, what should be the charge to depletion expense per ton of extracted material?

$3.47

$2.56

$3.11

$2.92