Which of the following statements is true?

	A.	Because plant and equipment are reported as long-term assets on the balance sheet, they have no impact on net income for the period until they are sold.
	B.	If a company is concerned about minimizing income taxes in the early years of an assets life, it would use double-declining method of depreciation.
	C.	Research and development costs should be presented as an intangible asset if the research was conducted internally and leads to the successful development of a patent.
	D.	When fully depreciated, the amount in the asset account should equal to its salvage value.
	E.	Upon disposal of an asset the asset is credited at the amount of its book value.