In cell E4, enter a formula that subtracts the result of the DB function from the initial asset value (cell E3) to calculate the difference between the initial value of the shuttle bus and its depreciation during the first month of use. In the DB function, use absolute references for the cost, salvage, and life arguments, which are listed in the range B3:B5. Use a relative reference for the period argument (cell D4). Fill the range E5:E39 with the formula in cell E4, filling without formatting, to calculate the depreciated value for months 236.

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