how much is the annual depreciation?

what is your taxable income each year?

What is the total amount of tax paid over 5 years (cumulatively).

Straight line depreciation with a 10 year lifespan and a salvage value equal to 10% of the original cost. Do not use the half in first year rule. Assuming that your company has annual before tax income of $450,000 and that your company tax rate is 20%. If you purchase equipment valued at $800,000 this year, calculate how much tax you would pay over the next 5 years cumulatively under the following methods of calculating depreciation