8. Kuffel Industries purchased a copper mine in Utah on January 1, 2019 at a total developed cost of $2.000.000. Estimates are that the mine will be able to generate 500,000 pounds of copper ore over a 10-year period. In 2019, 65,000 pounds of copper ore were extracted and 55.000 pounds were sold to customers at a price of $10.50 per pound. Prepare the entries necessary to reflect 2019 depletion and sale of copper