In January 2020, Company A leased a mineral mine for $3,550,000 with removable ore estimated by geological surveys at 2,500,000 tons. Company A incurred $1,150,000 of intangible development costs preparing the property for the extraction of ore. The present value of the cost of restoring the mine is estimated to be $250,000. During 2020, 340,000 tons were removed and 300,000 tons were sold. The inventory/depletion balance on December 31, 2020 after the all the sales for the year are recorded will be:

$91,120

$79,200

$86,200

$87,800