Janvier Company paid $845,000 for a tract of land that was expected to contain 50,000 tons of extractable copper. Development costs to get the mine ready for extraction amounted to $55,000. In the first year, 9,000 tons of copper were mined. At the beginning of the second year, the company needed to spend an additional $46,000 for reclamation, which was capitalized. It was estimated that 40,000 units of copper remained. In the second year, 7,000 tons of copper were mined. Using activity-based method, what was the amount of depletion expense for the second year