Bahrain mining subsidiary on June 30, paid BD 2,800,000 for a an ore with a capacity 1,400,000 tonnos mineral deposites. The extracted 25,000 tonnes in first year, 45,000 tonces in second year and 70,000 tonnes in third year Compute depletion expense for the Second year assuming O A 22500 OB. 140000 O C. 90000 O D. 50000