Montezuma Inc. purchased a delivery truck for 15,000. The truck has a salvage value of $3,000 and is expropriated be driven for eight years. Montezuma uses straight-line depreciation method. Calculate the annual depreciation expense. After three years of recording depreciation Montezuma determines that the delivery truck will only be useful for another three years and the salvage value will increase to $4,000. Determine the depreciation export the final three years of assets life, and create the journal entry for year four