Nestern Mining Inc. acquires a zinc mine in January at a cost of $1,920,000 with an estimated 576,000 tons of zinc. Western Mining Inc. also incurs costs of $216,000 to develop the area around the site necessary to access the mine. The land is estimated to have a value of $120,000 after the zinc is mined. By the end of the year, 86,400 tons of zinc were mined and 77,760 tons were sold. a. Record the entry for acquisition of the zinc mine. Hint: Any residual value is included in the acquisition cost of this zinc mine. D. Record the entries for (1) depletion and for (2) the cost of the sale of zinc during the year