Assume that the equipment has an expected useful life of 5 years and an estimated residual value of $70,000.

a.	Determine depreciation expense for the year ended December 31, 20x1.
	$

b.	Determine depreciation expense for the year ended December 31, 20x2.
	$

c.	If the estimated residual value remains the same, an increase in the estimated useful life of the equipment will result in - Select your answer -annual depreciation expense.

d.	Determine the book value of the equipment that should be reported on the December 31, 20X2 balance sheet.
	$

e.	If the estimated useful life remains the same, an increase in the estimated useful residual value of the equipment will result in - Select your answer - annual depreciation expense.