A) are always positive. B) are only received when an asset is sold. C) are only received when there is a stream of multiple payments generated by the asset. D) can be received either through the sale of an asset or as a stream of payments. A) are always positive. B) are only received when an asset is sold. C) are only received when there is a stream of multiple payments generated by the asset. D) can be received either through the sale of an asset or as a stream of payments.