Newton Koal Company, Inc. purchased a new mining machine at a total cost of $1,440,000 on August 1 of the current year. The firm estimates that the machine has a useful life of 6 years or 9,200,000 tons of coal and a residual value of $60,000 at the end of its useful life. The following schedule indicates the actual number of tons of coal mined with the machine per year: (Click the icon to view the schedule.) Read the requirements. Requirement a. Prepare the depreciation schedule for the machine assuming that Newton Koal used the straight-line method. (Do not round intermediary calculations. Only round the amount you input in the cell to the nearest whole dollar.) End-of-Year End-of-Year Depreciation Year Expense Original Cost Accumulated Depreciation Net Book Value (NBV) 1 2 3 4 5 6 7 Total i Data Table Year Tons of Coal 1 680,000 2 3 4 LO 5 CO 6 1,450,000 1,570,000 1,050,000 740,000 3,710,000 Print Done