A company that earns $8,000 per year has an asset that can be declined by the DDB method. The initial cost of the asset is $10,000; and its salvage value is $1,500 after 4 years. Note that the book value of the asset at year 4 must meet its salvage value. If MARR is 10% per year. Find the taxable income in each year (of years 1-4).