Davis Company purchased a new piece of equipment on July 1, 2017 at a cost of $2,400,000. The equipment has an estimated useful life of 5 years and an estimated salvage value of $200,000. The current year end is 12/31/18. Davis records depreciation to the nearest month.

ex) What is straigh lilne depreciation for 2018?

ex) what is sum-of-the years'- digits depreciation for 2018?

ex) what is double declining- balance depreciation for 2018?

ex) If Davis expensed the total cost of the equipment at 7/1/17, what was the effect on 2017 and 2018 income before taxes, assuming Davis uses straigh-line depreciation?

ex) If, at the end of 2019, Davis Company decides the equipmnet still has five more years of life, beyond 12/31/19, with a salvage value of 200,000, what is straight-line depreciation for 2019? (Assume straigh-line used in al years)