A storage tank acquired at the beginning of the fiscal year at a cost of $75,000 has an estimated residual value of $10,000 and an estimated useful life of 20 years.

a. Determine the amount of annual depreciation by the straight-line method. $????

b. Determine the amount of depreciation for the first and second years computed by the double-declining-balance method.

	Depreciation
Year 1	$???
Year 2	$???