Exercise 8-18 Depletion of natural resources LO P3 Montana Mining Co. pays $4,133,930 for an ore deposit containing 1.429.000 tons. The company installs machinery in the mine costing $199,400, which will be abandoned when the ore is completely mined. Montana mines and sells 169,900 tons of ore during the year. Prepare the year-end entries to record both the ore deposit depletion and the mining machinery depreciation. Mining machinery depreciation should be in proportion to the mine's depletion. (Do not round intermediate calculations. Round your final answers to the nearest whole number.) View transaction list Journal entry worksheet 1 2 Record the year-end adjusting entry for the depletion expense of ore mine. Note: Enter debits before credits General Journal Debit Credit Date Dec 31 Record entry Clear entry View general journal View transaction list Journal entry worksheet 1 2 Record the year-end adjusting entry for the depreciation expense of the mining machinery Note: Enter debits before credits. Date General Journal Debit Credit Dec 31 Record entry Clear entry View general journal