Sequoia purchased the rights to a gold mine. It paid $1,500,000 for the mine. A geologist estimates that 500,000 pounds of gold are in the mine. In 2020, Sequoia extracted 200,000 pounds of gold from the mine, which it sold for $900,000. In 2021, Sequoia extracted 400,000 pounds of gold from the mine, which it sold for $1,400,000. What is Sequoia's cost depletion deduction for 2021