Benson Mining Company purchased a site containing a mineral deposit during 2014. The purchase price was $820,000, and the site is estimated to contain 400,000 tons of extractable ore. Benson constructed a building at the site, at a cost of $500,000, to be used while the ore is being extracted. When the ore reserves are gone, the building will have no further value. REQUIRED: Determine Benson's depletion rate per ton of ore. Prepare the journal entry to record depletion for the year 2014. when Benson mined and sold 150,000 tons of ore. Prepare the journal entry to record depreciation on the building for 2014 Benson calculates depreciation on the building using the units-of-production method based on the amount of ore extracted (150,000 tons in 2014)