Answer:
Question <em>"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. (Round your unit depreciation and depletion rates to 2 decimal places.)"</em>
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Year End Journal Entries
Date Account Titles and Explanation Debit Credit
Depletion charges (Ore deposit) $297,912
Accumulated depreciation $297,912
(3,055,610/1,478,000 *144,100)
Depreciation expenses(Machinery) $19,841
Accumulated depreciation $19,841
(203,500/1,478,000 *144,100)